
A NASA engineer installs the agency’s CubeSat R5 Spacecraft 4 (R5-S4) into the dispenser at Firefly Aerospace's Payload Processing Facility at Vandenberg Space Force Base, California on Wednesday, April 24, 2024. The spacecraft will soon be integrated for launch aboard the company’s Alpha rocket, as part of launch services provided for NASA's CubeSat Launch Initiative and Educational Launch of Nanosatellites 43 mission in support of the agency ’s Venture-Class Launch Services Demonstration 2 contract.

NASA and Firefly Aerospace engineers review the integration plan for the agency’s CubeSat R5 Spacecraft 4 (R5-S4) at Firefly Aerospace’s Payload Processing Facility at Vandenberg Space Force Base, California on Wednesday, April 24, 2024. The spacecraft will soon be integrated for launch aboard the company’s Alpha rocket, as part of launch services provided for NASA's CubeSat Launch Initiative and Educational Launch of Nanosatellites 43 mission in support of the agency ’s Venture-Class Launch Services Demonstration 2 contract.

NASA engineer Jacob Nunez-Kearny removes the foreign object debris (FOD) cover from the propulsion system on the agency’s CubeSat R5 Spacecraft 4 (R5-S4) at Firefly Aerospace’s Payload Processing Facility at Vandenberg Space Force Base, California on Wednesday, April 24, 2024. The spacecraft will soon be integrated for launch aboard the company’s Alpha rocket, as part of launch services provided for NASA's CubeSat Launch Initiative and Educational Launch of Nanosatellites 43 mission in support of the agency ’s Venture-Class Launch Services Demonstration 2 contract .

NASA engineer Sam Pedrotty performs final cleaning of Los Alamos National Laboratory’s (LANL’s) Extremely Low Resource Optical Identifier (ELROI) on the agency’s CubeSat R5 Spacecraft 4 (R5-S4) at Firefly Aerospace’s Payload Processing Facility at Vandenberg Space Force Base, California on Wednesday, April 24, 2024. The spacecraft will soon be integrated for launch aboard the company’s Alpha rocket, as part of launch services provided for NASA's CubeSat Launch Initiative and Educational Launch of Nanosatellites 43 mission in support of the agency ’s Venture-Class Launch Services Demonstration 2 contract.

From left, Firefly mission manager Marcy Mabry observes NASA engineer James Berck install the agency’s CubeSat R5 Spacecraft 4 (R5-S4) into the dispenser at Firefly Aerospace’s Payload Processing Facility at Vandenberg Space Force Base, California on Wednesday, April 24, 2024. The spacecraft will soon be integrated for launch aboard the company’s Alpha rocket, as part of launch services provided for NASA's CubeSat Launch Initiative and Educational Launch of Nanosatellites 43 mission in support of the agency ’s Venture-Class Launch Services Demonstration 2 contract.

NASA engineer Jacob Nunez-Kearny removes foreign object debris (FOD) cover from the propulsion system on the agency’s CubeSat R5 Spacecraft 4 (R5-S4) at Firefly Aerospace’s Payload Processing Facility at Vandenberg Space Force Base, California on Wednesday, April 24, 2024. The spacecraft will soon be integrated for launch aboard the company’s Alpha rocket, as part of launch services provided for NASA's CubeSat Launch Initiative and Educational Launch of Nanosatellites 43 mission in support of the agency ’s Venture-Class Launch Services Demonstration 2 contract.

From left, NASA engineer James Berck removes the foreign object debris (FOD) cover from the relative navigation camera on the agency’s CubeSat R5 Spacecraft 4 (R5-S4) while NASA engineer Jacob Nunez-Kearny observes, at Firefly Aerospace’s Payload Processing Facility at Vandenberg Space Force Base, California on Wednesday, April 24, 2024. The spacecraft will soon be integrated for launch aboard the company’s Alpha rocket, as part of launch services provided for NASA's CubeSat Launch Initiative and Educational Launch of Nanosatellites 43 mission in support of the agency ’s Venture-Class Launch Services Demonstration 2 contract.

Technicians from the University of Maine prepare CubeSat MESAT-1 for integration at Firefly’s Payload Processing Facility at Vandenberg Space Force Base, California on Monday, April 22, 2024. MESAT-1, along with seven other payloads, will be integrated into a Firefly Aerospace Alpha rocket for NASA’s Educational Launch of Nanosatellites (ELaNa) 43 mission as part of the agency’s CubeSat Launch Initiative and Firefly’s Venture-Class Launch Services Demonstration 2 contract.

A Satellite for Optimal Control and Imaging (SOC-i) CubeSat awaits integration at Firefly’s Payload Processing Facility at Vandenberg Space Force Base, California on Thursday, June 6, 2024. SOC-i, along with several other CubeSats, will launch to space on an Alpha rocket during NASA’s Educational Launch of Nanosatellites (ELaNa) 43 mission as part of the agency’s CubeSat Launch Initiative and Firefly’s Venture-Class Launch Services Demonstration 2 contract.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative’s (CSLI) ELaNa 43 (Educational Launch of Nanosatellites) mission stands vertical at Space Launch Complex 2 at Vandenberg Space Force Base, California, on Monday, July 1, 2024. Firefly Aerospace is one of three companies selected to fly small satellites to space under NASA’s Launch Services Program Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract awarded in December 2020.

Technicians from the University of Maine prepare CubeSat MESAT-1 for integration at Firefly’s Payload Processing Facility at Vandenberg Space Force Base, California on Monday, April 22, 2024. MESAT-1, along with seven other payloads, will be integrated into a Firefly Aerospace Alpha rocket for NASA’s Educational Launch of Nanosatellites (ELaNa) 43 mission as part of the agency’s CubeSat Launch Initiative and Firefly’s Venture-Class Launch Services Demonstration 2 contract.

NASA’s TechEdSat-11 (TES-11) CubeSat awaits integration at Firefly’s Payload Processing Facility at Vandenberg Space Force Base, California on Saturday, June 8, 2024. Serenity, along with several other CubeSats, will launch to space on an Alpha rocket during NASA’s Educational Launch of Nanosatellites (ELaNa) 43 mission as part of the agency’s CubeSat Launch Initiative and Firefly’s Venture-Class Launch Services Demonstration 2 contract.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative’s (CSLI) ELaNa 43 (Educational Launch of Nanosatellites) mission stands vertical at Space Launch Complex 2 at Vandenberg Space Force Base, California, on Monday, July 1, 2024. Firefly Aerospace is one of three companies selected to fly small satellites to space under NASA’s Launch Services Program Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract awarded in December 2020.

A Satellite for Optimal Control and Imaging (SOC-i) CubeSat awaits integration at Firefly’s Payload Processing Facility at Vandenberg Space Force Base, California on Thursday, June 6, 2024. SOC-i, along with several other CubeSats, will launch to space on an Alpha rocket during NASA’s Educational Launch of Nanosatellites (ELaNa) 43 mission as part of the agency’s CubeSat Launch Initiative and Firefly’s Venture-Class Launch Services Demonstration 2 contract.

NASA’s TechEdSat-11 (TES-11) CubeSat awaits integration at Firefly’s Payload Processing Facility at Vandenberg Space Force Base, California on Saturday, June 8, 2024. Serenity, along with several other CubeSats, will launch to space on an Alpha rocket during NASA’s Educational Launch of Nanosatellites (ELaNa) 43 mission as part of the agency’s CubeSat Launch Initiative and Firefly’s Venture-Class Launch Services Demonstration 2 contract.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative’s (CSLI) ELaNa 43 (Educational Launch of Nanosatellites) mission stands vertical at Space Launch Complex 2 at Vandenberg Space Force Base, California, on Monday, July 1, 2024. Firefly Aerospace is one of three companies selected to fly small satellites to space under NASA’s Launch Services Program Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract awarded in December 2020.

NASA’s CubeSat R5 Spacecraft 4 (R5-S4) awaits integration at Firefly’s Payload Processing Facility at Vandenberg Space Force Base, California on Wednesday, April 24, 2024. R5-S4, along with several other CubeSats, will launch to space on an Alpha rocket during NASA’s Educational Launch of Nanosatellites (ELaNa) 43 mission as part of the agency’s CubeSat Launch Initiative and Firefly’s Venture-Class Launch Services Demonstration 2 contract.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative’s (CSLI) ELaNa 43 (Educational Launch of Nanosatellites) mission stands vertical at Space Launch Complex 2 at Vandenberg Space Force Base, California, on Monday, July 1, 2024. Firefly Aerospace is one of three companies selected to fly small satellites to space under NASA’s Launch Services Program Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract awarded in December 2020.

Technicians with the University of Kansas prepare their KUbeSat-1 for integration at Firefly’s Payload Processing Facility at Vandenberg Space Force Base, California on Thursday, April 25, 2024. KUbeSat-1, along with several other CubeSats, will launch to space on an Alpha rocket during NASA’s Educational Launch of Nanosatellites (ELaNa) 43 mission as part of the agency’s CubeSat Launch Initiative and Firefly’s Venture-Class Launch Services Demonstration 2 contract.

NASA’s CubeSat R5 Spacecraft 4 (R5-S4) awaits integration at Firefly’s Payload Processing Facility at Vandenberg Space Force Base, California on Wednesday, April 24, 2024. R5-S4, along with several other CubeSats, will launch to space on an Alpha rocket during NASA’s Educational Launch of Nanosatellites (ELaNa) 43 mission as part of the agency’s CubeSat Launch Initiative and Firefly’s Venture-Class Launch Services Demonstration 2 contract.

Serenity, a 3U CubeSat, awaits integration at Firefly’s Payload Processing Facility at Vandenberg Space Force Base, California on Friday, June 7, 2024. Serenity, along with several other CubeSats, will launch to space on an Alpha rocket during NASA’s Educational Launch of Nanosatellites (ELaNa) 43 mission as part of the agency’s CubeSat Launch Initiative and Firefly’s Venture-Class Launch Services Demonstration 2 contract.

Technicians with the University of Kansas prepare their KUbeSat-1 for integration at Firefly’s Payload Processing Facility at Vandenberg Space Force Base, California on Thursday, April 25, 2024. KUbeSat-1, along with several other CubeSats, will launch to space on an Alpha rocket during NASA’s Educational Launch of Nanosatellites (ELaNa) 43 mission as part of the agency’s CubeSat Launch Initiative and Firefly’s Venture-Class Launch Services Demonstration 2 contract.

Technicians with the University of Kansas prepare their KUbeSat-1 for integration at Firefly’s Payload Processing Facility at Vandenberg Space Force Base, California on Thursday, April 25, 2024. KUbeSat-1, along with several other CubeSats, will launch to space on an Alpha rocket during NASA’s Educational Launch of Nanosatellites (ELaNa) 43 mission as part of the agency’s CubeSat Launch Initiative and Firefly’s Venture-Class Launch Services Demonstration 2 contract.

A CubeSat named CatSat from the University of Arizona awaits integration at Firefly’s Payload Processing Facility at Vandenberg Space Force Base, California on Thursday, April 25, 2024. CatSat, along with several other CubeSats, will launch to space on an Alpha rocket during NASA’s Educational Launch of Nanosatellites (ELaNa) 43 mission as part of the agency’s CubeSat Launch Initiative and Firefly’s Venture-Class Launch Services Demonstration 2 contract.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative (CSLI) lifts off from Space Launch Complex 2 at Vandenberg Space Force Base in California at 9:04 p.m. PDT Wednesday, July 3, 2024. The successful launch of the rocket, named “Noise of Summer,” completed the company’s Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract with the agency. The CubeSat missions were designed by universities and NASA centers to conduct climate studies, satellite technology development, and educational outreach to students.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative (CSLI) lifts off from Space Launch Complex 2 at Vandenberg Space Force Base in California at 9:04 p.m. PDT Wednesday, July 3, 2024. The successful launch of the rocket, named “Noise of Summer,” completed the company’s Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract with the agency. The CubeSat missions were designed by universities and NASA centers to conduct climate studies, satellite technology development, and educational outreach to students.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative (CSLI) lifts off from Space Launch Complex 2 at Vandenberg Space Force Base in California at 9:04 p.m. PDT Wednesday, July 3, 2024. The successful launch of the rocket, named “Noise of Summer,” completed the company’s Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract with the agency. The CubeSat missions were designed by universities and NASA centers to conduct climate studies, satellite technology development, and educational outreach to students.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative (CSLI) lifts off from Space Launch Complex 2 at Vandenberg Space Force Base in California at 9:04 p.m. PDT Wednesday, July 3, 2024. The successful launch of the rocket, named “Noise of Summer,” completed the company’s Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract with the agency. The CubeSat missions were designed by universities and NASA centers to conduct climate studies, satellite technology development, and educational outreach to students.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative (CSLI) lifts off from Space Launch Complex 2 at Vandenberg Space Force Base in California at 9:04 p.m. PDT Wednesday, July 3, 2024. The successful launch of the rocket, named “Noise of Summer,” completed the company’s Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract with the agency. The CubeSat missions were designed by universities and NASA centers to conduct climate studies, satellite technology development, and educational outreach to students.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative (CSLI) lifts off from Space Launch Complex 2 at Vandenberg Space Force Base in California at 9:04 p.m. PDT Wednesday, July 3, 2024. The successful launch of the rocket, named “Noise of Summer,” completed the company’s Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract with the agency. The CubeSat missions were designed by universities and NASA centers to conduct climate studies, satellite technology development, and educational outreach to students.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative (CSLI) lifts off from Space Launch Complex 2 at Vandenberg Space Force Base in California at 9:04 p.m. PDT Wednesday, July 3, 2024. The successful launch of the rocket, named “Noise of Summer,” completed the company’s Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract with the agency. The CubeSat missions were designed by universities and NASA centers to conduct climate studies, satellite technology development, and educational outreach to students.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative (CSLI) lifts off from Space Launch Complex 2 at Vandenberg Space Force Base in California at 9:04 p.m. PDT Wednesday, July 3, 2024. The successful launch of the rocket, named “Noise of Summer,” completed the company’s Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract with the agency. The CubeSat missions were designed by universities and NASA centers to conduct climate studies, satellite technology development, and educational outreach to students.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative (CSLI) lifts off from Space Launch Complex 2 at Vandenberg Space Force Base in California at 9:04 p.m. PDT Wednesday, July 3, 2024. The successful launch of the rocket, named “Noise of Summer,” completed the company’s Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract with the agency. The CubeSat missions were designed by universities and NASA centers to conduct climate studies, satellite technology development, and educational outreach to students.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative’s (CSLI) ELaNa (Educational Launch of Nanosatellites) 43 mission rolls out of the company’s Payload Processing Facility to Space Launch Complex 2 at Vandenberg Space Force Base, California, on Sunday, June 30, 2024. Firefly Aerospace is one of three companies selected to fly small satellites to space under NASA’s Launch Services Program Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract awarded in December 2020.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative’s (CSLI) ELaNa (Educational Launch of Nanosatellites) 43 mission rolls out of the company’s Payload Processing Facility to Space Launch Complex 2 at Vandenberg Space Force Base, California, on Sunday, June 30, 2024. Firefly Aerospace is one of three companies selected to fly small satellites to space under NASA’s Launch Services Program Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract awarded in December 2020.

Technicians inside Firefly Aerospace’s Payload Processing Facility at Vandenberg Space Force Base, California, integrate eight CubeSats as part of NASA’s CubeSat Launch Initiative’s (CSLI) ELaNa (Educational Launch of Nanosatellites) 43 mission into payload fairings on Sunday, June 30, 2024. The mission will launch on the company’s Alpha rocket from Vandenberg’s Space Launch Complex 2. Firefly Aerospace is one of three companies selected to fly small satellites to space under NASA’s Launch Services Program Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract awarded in December 2020.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative’s (CSLI) ELaNa (Educational Launch of Nanosatellites) 43 mission rolls out of the company’s Payload Processing Facility to Space Launch Complex 2 at Vandenberg Space Force Base, California, on Sunday, June 30, 2024. Firefly Aerospace is one of three companies selected to fly small satellites to space under NASA’s Launch Services Program Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract awarded in December 2020.

Firefly Aerospace’s Alpha rocket carrying eight CubeSats as part of NASA’s CubeSat Launch Initiative’s (CSLI) ELaNa (Educational Launch of Nanosatellites) 43 mission rolls out of the company’s Payload Processing Facility to Space Launch Complex 2 at Vandenberg Space Force Base, California, on Sunday, June 30, 2024. Firefly Aerospace is one of three companies selected to fly small satellites to space under NASA’s Launch Services Program Venture-Class Launch Services Demonstration 2 (VCLS Demo 2) contract awarded in December 2020.

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Endeavour is lowered into place where it is being attached to its external fuel tank and solid rocket boosters, already positioned on the mobile launcher platform. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Endeavour is lowered into place where it will be attached to its external fuel tank and solid rocket boosters, already positioned on the mobile launcher platform. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jim Grossmann

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, technicians watch external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission as it is being lowered toward the twin solid rocket boosters. When in place the tank will be attached to the boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, a worker monitors external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission, as it is lifted from its test cell. When lowered in place, the tank will be attached to the solid rocket boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Endeavour is being lowered into place where it will be attached to its external fuel tank and solid rocket boosters, already positioned on the mobile launcher platform. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jim Grossmann

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, workers observe the external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission, as it is lifted from its test cell. When lowered in place, the tank will be attached to the solid rocket boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, workers attach an overhead crane to shuttle Endeavour. The crane will lift the spacecraft into a high bay where it will be attached to the waiting external fuel tank and solid rocket boosters. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Endeavour is suspended vertically over the transfer aisle. The spacecraft will be moved into a high bay where it will be installed to the waiting external fuel tank and solid rocket boosters. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, workers monitor the progress of external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission as it is being attached to the twin solid rocket boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Endeavour is being lowered into a high bay to be attached to its external fuel tank and solid rocket boosters, already positioned on the mobile launcher platform. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jim Grossmann

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, workers closely monitor the progress of external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission as it is being lowered toward the twin solid rocket boosters. When in place the tank will be attached to the boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Endeavour is lowered into place where it is being attached to its external fuel tank and solid rocket boosters, already positioned on the mobile launcher platform. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission is being lowered toward the twin solid rocket boosters. When lowered in place, the tank will be attached to the boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission, is being lifted from its test cell. When lowered in place, the tank will be attached to the solid rocket boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Endeavour is lowered into place where it is being attached to its external fuel tank and solid rocket boosters, already positioned on the mobile launcher platform. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission, is ready to be lifted from its test cell. When lowered in place, the tank will be attached to the solid rocket boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, technicians watch external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission as it is being lowered toward the twin solid rocket boosters. When in place the tank will be attached to the boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Endeavour is lowered into place where it is being attached to its external fuel tank and solid rocket boosters, already positioned on the mobile launcher platform. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission, is suspended over the transfer aisle. When lowered in place, the tank will be attached to the solid rocket boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, workers attach an overhead crane to shuttle Endeavour. The crane will lift the spacecraft into a high bay where it will be attached to the waiting external fuel tank and solid rocket boosters. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Endeavour is lowered into place where it will be attached to its external fuel tank and solid rocket boosters, already positioned on the mobile launcher platform. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jim Grossmann

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Endeavour is lowered into place where it will be attached to its external fuel tank and solid rocket boosters, already positioned on the mobile launcher platform. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jim Grossmann

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, technicians watch external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission as it is being lowered toward the twin solid rocket boosters. When in place the tank will be attached to the boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Endeavour is suspended vertically over the transfer aisle. The spacecraft will be moved into a high bay where it will be installed to the waiting external fuel tank and solid rocket boosters. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, workers monitor the progress of external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission as it is being attached to the twin solid rocket boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, workers monitor the progress of external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission as it is being attached to the twin solid rocket boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, the external fuel tank, ET-122, for space shuttle Endeavour's final mission soon will be joined to twin solid rocket boosters on a mobile launcher platform. Endeavour will then be stacked with the tank and boosters for its upcoming STS-134 mission to the International Space Station. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer-2 (AMS) to the orbiting laboratory. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Frank Michaux

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, workers attach an overhead crane to shuttle Endeavour. The crane will lift the spacecraft into a high bay where it will be attached to the waiting external fuel tank and solid rocket boosters. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, workers observe external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission as it is being lowered between the twin solid rocket boosters. When in place the tank will be attached to the boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Endeavour is suspended vertically over the transfer aisle. The spacecraft will be moved into a high bay where it will be installed to the waiting external fuel tank and solid rocket boosters. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, external fuel tank, ET-122, for space shuttle Endeavour's STS-134 mission, is suspended over the transfer aisle. When lowered in place, the tank will be attached to the solid rocket boosters on the mobile launcher platform. Endeavour and its crew will deliver the Express Logistics Carrier-3 and the Alpha Magnetic Spectrometer to the International Space Station. Launch is targeted for April 19. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, technicians select the rubber rings that will cushion and secure the left forward center solid rocket booster segments together. The booster along with its twin will be stacked on the mobile launcher platform along with an external fuel tank awaiting the arrival of space shuttle Endeavour for its flight to the International Space Station. As the final planned mission of the Space Shuttle Program, Endeavour and its crew will deliver the Alpha Magnetic Spectrometer, as well as critical spare components to the station on the STS-134 mission targeted for launch Feb. 26, 2011. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, technicians check the alignment of the rubber rings after installation to the left forward center solid rocket booster segment. The booster along with its twin will be stacked on the mobile launcher platform along with an external fuel tank awaiting the arrival of space shuttle Endeavour for its flight to the International Space Station. As the final planned mission of the Space Shuttle Program, Endeavour and its crew will deliver the Alpha Magnetic Spectrometer, as well as critical spare components to the station on the STS-134 mission targeted for launch Feb. 26, 2011. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, media gather outside of Orbiter Processing Facility-2 to photograph space shuttle Endeavour's move, or "rollover," to the Vehicle Assembly Building (VAB). In the VAB, Endeavour will be lifted into a high bay where it will be attached to its external fuel tank and solid rocket boosters for its final and upcoming STS-134 mission. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, spare parts, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA

CAPE CANAVERAL, Fla. -- Space shuttle Endeavour glistens in the sun on Launch Pad 39A at NASA's Kennedy Space Center in Florida. The massive crawler-transporter that hauled the shuttle, attached to its external fuel tank and solid rocket boosters, to the pad March 10 remains on the crushed crawlerway rocks. The rotating service structure (RSS) that protects the shuttle from the elements and provides access to its components is open to allow crews to move the primary payload for Endeavour's STS-134 mission into the pad's structure before installing it into the spacecraft's cargo bay. Endeavour and its six-member STS-134 crew are targeted to lift off April 19 at 7:48 p.m. EDT to deliver the Alpha Magnetic Spectrometer-2 (AMS) and Express Logistics Carrier-3 to the International Space Station. This is Endeavour's final scheduled mission. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Frank Michaux

CAPE CANAVERAL, Fla. -- Space shuttle Endeavour's main engines and solid rocket boosters burst to life lifting the shuttle from Launch Pad 39A at NASA's Kennedy Space Center in Florida. Endeavour began its final flight, the STS-134 mission to the International Space Station, at 8:56 a.m. EDT on May 16. Endeavour and its six-member crew will deliver the Alpha Magnetic Spectrometer-2 (AMS), Express Logistics Carrier-3, a high-pressure gas tank and additional spare parts for the Dextre robotic helper to the space station. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Tony Gray and Tom Farrar

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, technicians install the rubber rings around the circumference of the left forward center solid rocket booster segment before the segments are joined. The booster along with its twin will be stacked on the mobile launcher platform along with an external fuel tank awaiting the arrival of space shuttle Endeavour for its flight to the International Space Station. As the final planned mission of the Space Shuttle Program, Endeavour and its crew will deliver the Alpha Magnetic Spectrometer, as well as critical spare components to the station on the STS-134 mission targeted for launch Feb. 26, 2011. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- Space shuttle Endeavour's main engines and solid rocket boosters burst to life lifting the shuttle from Launch Pad 39A at NASA's Kennedy Space Center in Florida. Endeavour began its final flight, the STS-134 mission to the International Space Station, at 8:56 a.m. EDT on May 16. Endeavour and its six-member crew will deliver the Alpha Magnetic Spectrometer-2 (AMS), Express Logistics Carrier-3, a high-pressure gas tank and additional spare parts for the Dextre robotic helper to the space station. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Tony Gray and Tom Farrar

CAPE CANAVERAL, Fla. -- In Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Endeavour is suspended above the transfer aisle. The spacecraft will be lifted into a vertical position and moved into a high bay where it will be attached to the waiting external fuel tank and solid rocket boosters. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- Space shuttle Endeavour's main engines and solid rocket boosters burst to life lifting the shuttle from Launch Pad 39A at NASA's Kennedy Space Center in Florida. Endeavour began its final flight, the STS-134 mission to the International Space Station, at 8:56 a.m. EDT on May 16. Endeavour and its six-member crew will deliver the Alpha Magnetic Spectrometer-2 (AMS), Express Logistics Carrier-3, a high-pressure gas tank and additional spare parts for the Dextre robotic helper to the space station. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Tony Gray and Tom Farrar

CAPE CANAVERAL, Fla. -- Space shuttle Endeavour is firmly attached to its external fuel tank and solid rocket boosters in a high bay of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. Endeavour is targeted to roll out to Kennedy's Launch Pad 39A for its final mission, STS-134, on March 9. Endeavour and the six-member crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer-2 (AMS), a high-pressure gas tank, additional spare parts for the Dextre robotic helper and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- A large yellow, metal sling lifts shuttle Endeavour from the transfer aisle into a high bay of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. In the bay, the shuttle will be attached to its external fuel tank and solid rocket boosters. Endeavour is targeted to roll out to Kennedy's Launch Pad 39A for its final mission, STS-134, on March 9. Endeavour and the six-member crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer-2 (AMS), a high-pressure gas tank, additional spare parts for the Dextre robotic helper and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Frankie Martin

CAPE CANAVERAL, Fla. -- A large yellow, metal sling lifts shuttle Endeavour from the transfer aisle into a high bay of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. In the bay, the shuttle will be attached to its external fuel tank and solid rocket boosters. Endeavour is targeted to roll out to Kennedy's Launch Pad 39A for its final mission, STS-134, on March 9. Endeavour and the six-member crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer-2 (AMS), a high-pressure gas tank, additional spare parts for the Dextre robotic helper and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Frankie Martin

CAPE CANAVERAL, Fla. -- A large yellow, metal sling begins to lower shuttle Endeavour toward its external fuel tank and solid rocket boosters in a high bay of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. Endeavour is targeted to roll out to Kennedy's Launch Pad 39A for its final mission, STS-134, on March 9. Endeavour and the six-member crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer-2 (AMS), a high-pressure gas tank, additional spare parts for the Dextre robotic helper and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Frankie Martin

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, technicians stand around the left forward center solid rocket booster segment to properly position the rubber rings around the circumference. The booster along with its twin will be stacked on the mobile launcher platform along with an external fuel tank awaiting the arrival of space shuttle Endeavour for its flight to the International Space Station. As the final planned mission of the Space Shuttle Program, Endeavour and its crew will deliver the Alpha Magnetic Spectrometer, as well as critical spare components to the station on the STS-134 mission targeted for launch Feb. 26, 2011. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, a worker thoroughly inspects a rubber ring section with an ultraviolet light before installation on the left forward center solid rocket booster segment. The booster along with its twin will be stacked on the mobile launcher platform along with an external fuel tank awaiting the arrival of space shuttle Endeavour for its flight to the International Space Station. As the final planned mission of the Space Shuttle Program, Endeavour and its crew will deliver the Alpha Magnetic Spectrometer, as well as critical spare components to the station on the STS-134 mission targeted for launch Feb. 26, 2011. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Endeavour approaches the Vehicle Assembly Building, or VAB, on its move from Orbiter Processing Facility-2 where it was processed for its final mission, STS-134. In the VAB, Endeavour will be lifted into a high bay where it will be joined to its external fuel tank and solid rocket boosters. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- Space shuttle Endeavour's main engines and solid rocket boosters burst to life lifting the shuttle from Launch Pad 39A at NASA's Kennedy Space Center in Florida. Endeavour began its final flight, the STS-134 mission to the International Space Station, at 8:56 a.m. EDT on May 16. Endeavour and its six-member crew will deliver the Alpha Magnetic Spectrometer-2 (AMS), Express Logistics Carrier-3, a high-pressure gas tank and additional spare parts for the Dextre robotic helper to the space station. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Rusty Backer and Mike Gayle

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, shuttle Endeavour is poised above a high bay where it will be lowered and attached to its external fuel tank and solid rocket boosters, already positioned on the mobile launcher platform. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jim Grossmann

CAPE CANAVERAL, Fla. -- In the transfer aisle of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, this image shows the rear of space shuttle Endeavour and it covered three main engines as a worker attaches an overhead crane. The crane will lift the spacecraft into a high bay where it will be attached to its external fuel tank and solid rocket boosters for its final mission, STS-134. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Frankie Martin

CAPE CANAVERAL, Fla. -- In the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, a technician is applying HD calcium grease to the field joint along the base of the left forward center solid rocket booster segment to inhibit rust and corrosion from occurring in the area. The booster along with its twin will be stacked on the mobile launcher platform along with an external fuel tank awaiting the arrival of space shuttle Endeavour for its flight to the International Space Station. As the final planned mission of the Space Shuttle Program, Endeavour and its crew will deliver the Alpha Magnetic Spectrometer, as well as critical spare components to the station on the STS-134 mission targeted for launch Feb. 26, 2011. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- Members of the media snap photos as a large yellow, metal sling lifts shuttle Endeavour from the transfer aisle into a high bay of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. In the bay, the shuttle will be attached to its external fuel tank and solid rocket boosters. Endeavour is targeted to roll out to Kennedy's Launch Pad 39A for its final mission, STS-134, on March 9. Endeavour and the six-member crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer-2 (AMS), a high-pressure gas tank, additional spare parts for the Dextre robotic helper and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Frankie Martin

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Endeavour approaches the Vehicle Assembly Building, or VAB, on its move from Orbiter Processing Facility-2 where it was processed for its final and upcoming STS-134 mission. In the VAB, Endeavour will be lifted into a high bay where it will be joined to its external fuel tank and solid rocket boosters. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, spare parts, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, STS-134 Pilot Gregory H. Johnson and Mission Specialist Roberto Vittori with the European Space Agency accompany space shuttle Endeavour's move, or "rollover," to the Vehicle Assembly Building (VAB). In the VAB, Endeavour will be lifted into a high bay where it will be attached to its external fuel tank and solid rocket boosters for its final and upcoming STS-134 mission. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, spare parts, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA

CAPE CANAVERAL, Fla. -- Seen through the foliage from across the Turn Basin, space shuttle Endeavour's solid rocket boosters roar to life at Launch Pad 39A at NASA's Kennedy Space Center in Florida. Endeavour began its final flight, the STS-134 mission to the International Space Station, at 8:56 a.m. EDT on May 16. Endeavour and its six-member crew will deliver the Alpha Magnetic Spectrometer-2 (AMS), Express Logistics Carrier-3, a high-pressure gas tank and additional spare parts for the Dextre robotic helper to the space station. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Sandra Joseph and Kevin O'Connell

CAPE CANAVERAL, Fla. -- Space shuttle Endeavour, attached to its external fuel tank and solid rocket boosters atop a crawler-transporter, is ready for its slow move from High Bay 3 in the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. The 3.4-mile trek, known as "rollout," will take about seven hours to complete. This is the final scheduled rollout for Endeavour. Endeavour and its six STS-134 crew members will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer-2 (AMS), a high-pressure gas tank, additional spare parts for the Dextre robotic helper and micrometeoroid debris shields to the International Space Station on the shuttle's final spaceflight. Launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jim Grossmann

CAPE CANAVERAL, Fla. -- Space shuttle Endeavour begins its slow move from High Bay 3 in the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida at 7:56 p.m. EST. The 3.4-mile trek, known as "rollout," will take about seven hours to complete. This is the final scheduled rollout for Endeavour, which is attached to its external fuel tank and solid rocket boosters atop a crawler-transporter. Endeavour and its six STS-134 crew members will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer-2 (AMS), a high-pressure gas tank, additional spare parts for the Dextre robotic helper and micrometeoroid debris shields to the International Space Station on the shuttle's final spaceflight. Launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jim Grossmann

CAPE CANAVERAL, Fla. -- In Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, an overhead crane slowly lifts shuttle Endeavour off its transport. The spacecraft will be positioned vertically in a high bay where it will be attached to the waiting external fuel tank and solid rocket boosters. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Endeavour's final launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, media gather outside of Orbiter Processing Facility-2 to photograph space shuttle Endeavour's move, or "rollover," to the Vehicle Assembly Building (VAB). In the VAB, Endeavour will be lifted into a high bay where it will be attached to its external fuel tank and solid rocket boosters for its final and upcoming STS-134 mission. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, spare parts, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA

CAPE CANAVERAL, Fla. -- Seen through the foliage from across the Turn Basin, space shuttle Endeavour's solid rocket boosters roar to life at Launch Pad 39A at NASA's Kennedy Space Center in Florida. Endeavour began its final flight, the STS-134 mission to the International Space Station, at 8:56 a.m. EDT on May 16. Endeavour and its six-member crew will deliver the Alpha Magnetic Spectrometer-2 (AMS), Express Logistics Carrier-3, a high-pressure gas tank and additional spare parts for the Dextre robotic helper to the space station. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Sandra Joseph and Kevin O'Connell

CAPE CANAVERAL, Fla. -- In the transfer aisle of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, this image shows the rear of space shuttle Endeavour and it covered three main engines as a worker attaches an overhead crane. The crane will lift the spacecraft into a high bay where it will be attached to its external fuel tank and solid rocket boosters for its final mission, STS-134. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Frankie Martin

CAPE CANAVERAL, Fla. -- This panoramic image shows space shuttle Endeavour in the transfer aisle of the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida, where workers have attached an overhead crane to the spacecraft. The crane will lift Endeavour into a high bay where it will be attached to its external fuel tank and solid rocket boosters for its final mission, STS-134. Endeavour and its STS-134 crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer, a high-pressure gas tank, additional spare parts for Dextre and micrometeoroid debris shields to the International Space Station. Launch is targeted for April 19 at 7:48 p.m. EDT. For more information visit, http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Frankie Martin