CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 crew members look at cameras they will use on the mission. From left are Mission Specialists Mike Massimino, Andrew Feustel and Mike Good, Pilot Gregory C. Johnson and Commander Scott Altman. The crew is at Kennedy for a crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Mission Specialists Mike Massimino, Megan McArthur and Andrew Feustel stand underneath space shuttle Atlantis during the crew equipment interface test. The CEIT provides hands-on experience with hardware and equipment for their mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Mission Specialist Mike Good, Pilot Gregory C. Johnson, Commander Scott Altman and Mission Specialist John Grunsfeld look at a reinforced carbon-carbon panel. The RCC panels are part of the thermal protection system used on space shuttles. The crew is at Kennedy for a crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Mission Specialist Mike Massimino focuses on the wing of space shuttle Atlantis with a camera to be used on the mission as Mission Specialist John Grunsfeld observes. The crew is at Kennedy for a crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Mission Specialist Andrew Feustel practices using one of the cameras for the mission. The crew is at Kennedy for a crew equipment interface test, which provides hands-on experience with hardware and equipment on the mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Mission Specialists Michael Good, Mike Massimino and Andrew Feustel discuss the tiles they are looking at on the underside of space shuttle Atlantis. Crew members are at Kennedy for a crew equipment interface test, which provides hands-on experience with hardware and equipment for their mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Mission Specialists John Grunsfeld (left) and Mike Good take a close look at the wing on space shuttle Atlantis. Behind them, talking to a technician, are Commander Scott Altman (left), Pilot Gregory C. Johnson (center) and Mission Specialist Andrew Feustel. The crew is at Kennedy for a crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Pilot Gregory C. Johnson stands underneath space shuttle Atlantis during the crew equipment interface test. The CEIT provides hands-on experience with hardware and equipment for their mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, a technician (hand raised) discusses details about space shuttle Atlantis with crew members for the STS-125 Hubble Servicing Mission. From left, the crew members are Mission Specialists Megan McArthur, Mike Massimino and Andrew Feustel, Commander Scott Altman, Mission Specialists John Grunsfeld and Mike Good, and Pilot Gregory C. Johnson (foreground). The crew is at Kennedy for a crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Mission Specialist Mike Massimino practices using one of the cameras for the mission. The crew is at Kennedy for a crew equipment interface test, which provides hands-on experience with hardware and equipment on the mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Commander Scott Altman looks at a piece of equipment. On either side are Mission Specialists Mike Massimino (left) and Andrew Feustel. Crew members are at Kennedy for a crew equipment interface test, which provides hands-on experience with hardware and equipment for their mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 crew members look at some of the equipment that will be on their mission. From right are Mission Specialist Megan McArthur, Pilot Gregory C. Johnson and Commander Scott Altman. The crew is at Kennedy for a crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, a technician points to the landing gear on the underside of space shuttle Atlantis as STS-125 crew members look on. In the foreground are Mission Specialists John Grunsfeld and Andrew Feustel. Behind them, from left, are Mission Specialist Michael Good, Pilot Gregory C. Johnson, Commander Scott Altman and Mission Specialists Megan McArthur (face hidden) and Mike Massimino. Crew members are at Kennedy for a crew equipment interface test, which provides hands-on experience with hardware and equipment for their mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Mission Specialist Andrew Feustel touches the thermal protection system tiles on space shuttle Atlantis with a gloved hand during a crew equipment interface test. The CEIT provides hands-on experience with hardware and equipment for their mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Mission Specialist John Grunsfeld takes hold of one of the cameras to be used on the mission. Behind him are Mission Specialists Mike Good (left) and Andrew Feustel (right). The crew is at Kennedy for a crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. –– In space shuttle Atlantis' payload bay at NASA Kennedy Space Center's Launch Pad 39A, STS-125 crew members take a final close look at the hardware for the Hubble servicing mission before the targeted May 11 launch. Atlantis' 11-day mission will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments. The payload bay holds four carriers of equipment that include the Wide Field Camera 3, Cosmic Origins Spectrograph, the Soft Capture Mechanism and replacement gyroscopes and batteries. As a result, Hubble's capabilities will be expanded and its operational lifespan extended through at least 2014. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Mission Specialists Mike Massimino (center) and Michael Good (right) check out equipment in space shuttle Atlantis' payload bay. Equipment familiarization is part of the crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch Oct. 8 on the STS-125 mission to service the Hubble Space Telescope. The mission crew will perform history-making, on-orbit “surgery” on two important science instruments aboard the telescope. After capturing the telescope, two teams of spacewalking astronauts will perform the repairs during five planned spacewalks. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. –– In space shuttle Atlantis' payload bay at NASA Kennedy Space Center's Launch Pad 39A, STS-125 Mission Specialist Megan McArthur takes a final close look at the hardware for the Hubble servicing mission before the targeted May 11 launch. Atlantis' 11-day mission will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments. The payload bay holds four carriers of equipment that include the Wide Field Camera 3, Cosmic Origins Spectrograph, the Soft Capture Mechanism and replacement gyroscopes and batteries. As a result, Hubble's capabilities will be expanded and its operational lifespan extended through at least 2014. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Pilot Gregory C. Johnson examines the cockpit window on space shuttle Atlantis, checking for sharp edges. The inspection is part of the crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch Oct. 8 on the STS-125 mission to service the Hubble Space Telescope. The mission crew will perform history-making, on-orbit “surgery” on two important science instruments aboard the telescope. After capturing the telescope, two teams of spacewalking astronauts will perform the repairs during five planned spacewalks. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Commander Scott Altman examines the cockpit window on space shuttle Atlantis, checking for sharp edges. The inspection is part of the crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch Oct. 8 on the STS-125 mission to service the Hubble Space Telescope. The mission crew will perform history-making, on-orbit “surgery” on two important science instruments aboard the telescope. After capturing the telescope, two teams of spacewalking astronauts will perform the repairs during five planned spacewalks. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Mission Specialists Mike Massimino (left) and Michael Good (right) check out the orbiter boom sensor system and the attached camera in space shuttle Atlantis' payload bay. Equipment familiarization is part of the crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch Oct. 8 on the STS-125 mission to service the Hubble Space Telescope. The mission crew will perform history-making, on-orbit “surgery” on two important science instruments aboard the telescope. After capturing the telescope, two teams of spacewalking astronauts will perform the repairs during five planned spacewalks. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. –– In space shuttle Atlantis' payload bay at NASA Kennedy Space Center's Launch Pad 39A, STS-125 Mission Specialist Michael Good takes a final close look at the hardware for the Hubble servicing mission before the targeted May 11 launch. Atlantis' 11-day mission will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments. The payload bay holds four carriers of equipment that include the Wide Field Camera 3, Cosmic Origins Spectrograph, the Soft Capture Mechanism and replacement gyroscopes and batteries. As a result, Hubble's capabilities will be expanded and its operational lifespan extended through at least 2014. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – The launch of space shuttle Atlantis from Launch Pad 39A at NASA's Kennedy Space Center in Florida is viewed from behind Launch Pad 39B. On pad 39B is space shuttle Endeavour, which can launch, if needed, for rescue of Atlantis’ crew during its STS-125 mission to service NASA’s Hubble Space Telescope. Liftoff of Atlantis was on time at 2:01 p.m. EDT. Atlantis' 11-day flight will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments that will expand Hubble's capabilities and extend its operational lifespan through at least 2014. The payload includes a Wide Field Camera 3, Fine Guidance Sensor and the Cosmic Origins Spectrograph. Photo courtesy of Scott Andrews

CAPE CANAVERAL, Fla. – Creating an image of a century plant in bloom, space shuttle Atlantis trails a column of fire and smoke as it races into space on the STS-125 mission to service NASA's Hubble Space Telescope. Liftoff from Launch Pad 39A at NASA's Kennedy Space Center in Florida was on time at 2:01 p.m. EDT. Atlantis' 11-day flight will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments that will expand Hubble's capabilities and extend its operational lifespan through at least 2014. The payload includes a Wide Field Camera 3, Fine Guidance Sensor and the Cosmic Origins Spectrograph. Photo courtesy of Scott Andrews

CAPE CANAVERAL, Fla. –– In space shuttle Atlantis' payload bay at NASA Kennedy Space Center's Launch Pad 39A, STS-125 crew members take a final close look at the hardware for the Hubble servicing mission before the targeted May 11 launch. From left are Mission Specialist John Grunsfeld, Pilot Gregory C. Johnson and (kneeling) Mission Specialist Mike Massimino. Atlantis' 11-day mission will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments. The payload bay holds four carriers of equipment that include the Wide Field Camera 3, Cosmic Origins Spectrograph, the Soft Capture Mechanism and replacement gyroscopes and batteries. As a result, Hubble's capabilities will be expanded and its operational lifespan extended through at least 2014. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. –Clouds of smoke and steam nearly obliterate Launch Pad 39A at NASA's Kennedy Space Center in Florida as space shuttle Atlantis roars into space on the STS-125 mission to service NASA's Hubble Space Telescope. Liftoff was on time at 2:01 p.m. EDT. Atlantis' 11-day flight will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments that will expand Hubble's capabilities and extend its operational lifespan through at least 2014. The payload includes a Wide Field Camera 3, Fine Guidance Sensor and the Cosmic Origins Spectrograph. Photo courtesy of Scott Andrews

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 crew members are lowered into space shuttle Atlantis' payload bay for a close look at the hardware. Equipment familiarization is part of the crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Crew members are Commander Scott Altman, Pilot Gregory C. Johnson, and Mission Specialists Michael Good, Megan McArthur, John Grunsfeld, Mike Massimino and Andrew Feustel. Atlantis is targeted to launch Oct. 8 on the STS-125 mission to service the Hubble Space Telescope. The mission crew will perform history-making, on-orbit “surgery” on two important science instruments aboard the telescope. After capturing the telescope, two teams of spacewalking astronauts will perform the repairs during five planned spacewalks. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – The launch of space shuttle Atlantis from Launch Pad 39A at NASA's Kennedy Space Center in Florida is viewed from behind Launch Pad 39B. On pad 39B is space shuttle Endeavour, which can launch, if needed, for rescue of Atlantis’ crew during its STS-125 mission to service NASA’s Hubble Space Telescope. Liftoff of Atlantis was on time at 2:01 p.m. EDT. Atlantis' 11-day flight will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments that will expand Hubble's capabilities and extend its operational lifespan through at least 2014. The payload includes a Wide Field Camera 3, Fine Guidance Sensor and the Cosmic Origins Spectrograph. Photo courtesy of Scott Andrews

CAPE CANAVERAL, Fla. – Under a slow-building cloud bank, space shuttle Atlantis hurtles past the lightning mast on top of the fixed service structure on Launch Pad 39A at NASA's Kennedy Space Center in Florida. Atlantis will rendezvous with NASA's Hubble Space Telescope on the STS-125 service mission. Liftoff was on-time at 2:01 p.m. EDT. Atlantis' 11-day flight will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments that will expand Hubble's capabilities and extend its operational lifespan through at least 2014. The payload includes a Wide Field Camera 3, Fine Guidance Sensor and the Cosmic Origins Spectrograph. Photo courtesy of Scott Andrews

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Pilot Gregory C. Johnson examines the cockpit window on space shuttle Atlantis, checking for sharp edges. The inspection is part of the crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch Oct. 8 on the STS-125 mission to service the Hubble Space Telescope. The mission crew will perform history-making, on-orbit “surgery” on two important science instruments aboard the telescope. After capturing the telescope, two teams of spacewalking astronauts will perform the repairs during five planned spacewalks. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – Clouds of smoke and steam billow across Launch Pad 39A at NASA's Kennedy Space Center in Florida as space shuttle Atlantis roars into space on the STS-125 mission to service NASA's Hubble Space Telescope. Liftoff was on time at 2:01 p.m. EDT. Atlantis' 11-day flight will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments that will expand Hubble's capabilities and extend its operational lifespan through at least 2014. The payload includes a Wide Field Camera 3, Fine Guidance Sensor and the Cosmic Origins Spectrograph. Photo courtesy of Scott Andrews

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Mission Specialist Michael Good checks out part of the equipment in space shuttle Atlantis' payload bay. Equipment familiarization is part of the crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch Oct. 8 on the STS-125 mission to service the Hubble Space Telescope. The mission crew will perform history-making, on-orbit “surgery” on two important science instruments aboard the telescope. After capturing the telescope, two teams of spacewalking astronauts will perform the repairs during five planned spacewalks. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Commander Scott Altman examines the cockpit window on space shuttle Atlantis. The inspection is part of the crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch Oct. 8 on the STS-125 mission to service the Hubble Space Telescope. The mission crew will perform history-making, on-orbit “surgery” on two important science instruments aboard the telescope. After capturing the telescope, two teams of spacewalking astronauts will perform the repairs during five planned spacewalks. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – From Launch Pad 39A at NASA's Kennedy Space Center in Florida, space shuttle Atlantis hurtles past the lightning mast into space on twin columns of fire on the STS-125 mission to service NASA's Hubble Space Telescope. Liftoff was on time at 2:01 p.m. EDT. Atlantis' 11-day flight will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments that will expand Hubble's capabilities and extend its operational lifespan through at least 2014. The payload includes a Wide Field Camera 3, Fine Guidance Sensor and the Cosmic Origins Spectrograph. Photo courtesy of Scott Andrews

CAPE CANAVERAL, Fla. – Sandwiched by billowing clouds above and smoke and steam clouds below, space shuttle Atlantis hurtles past the lightning mast on top of the fixed service structure on Launch Pad 39A at NASA's Kennedy Space Center in Florida. Atlantis will rendezvous with NASA's Hubble Space Telescope on the STS-125 service mission. Liftoff was on-time at 2:01 p.m. EDT. Atlantis' 11-day flight will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments that will expand Hubble's capabilities and extend its operational lifespan through at least 2014. The payload includes a Wide Field Camera 3, Fine Guidance Sensor and the Cosmic Origins Spectrograph. Photo courtesy of Scott Andrews

CAPE CANAVERAL, Fla. – From Launch Pad 39A at NASA's Kennedy Space Center in Florida, space shuttle Atlantis roars into the sky on a column of fire on the STS-125 mission to service NASA's Hubble Space Telescope. Liftoff was on time at 2:01 p.m. EDT. Atlantis' 11-day flight will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments that will expand Hubble's capabilities and extend its operational lifespan through at least 2014. The payload includes a Wide Field Camera 3, Fine Guidance Sensor and the Cosmic Origins Spectrograph. Photo courtesy of Scott Andrews

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 crew members are lowered into space shuttle Atlantis' payload bay for a close look at the hardware. Equipment familiarization is part of the crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Crew members are Commander Scott Altman, Pilot Gregory C. Johnson, and Mission Specialists Michael Good, Megan McArthur, John Grunsfeld, Mike Massimino and Andrew Feustel. Atlantis is targeted to launch Oct. 8 on the STS-125 mission to service the Hubble Space Telescope. The mission crew will perform history-making, on-orbit “surgery” on two important science instruments aboard the telescope. After capturing the telescope, two teams of spacewalking astronauts will perform the repairs during five planned spacewalks. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – On twin towers of flame, space shuttle Atlantis roars into space from Launch Pad 39A at NASA's Kennedy Space Center in Florida on the STS-125 mission to service NASA's Hubble Space Telescope. Liftoff was on time at 2:01 p.m. EDT. Atlantis' 11-day flight will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments that will expand Hubble's capabilities and extend its operational lifespan through at least 2014. The payload includes a Wide Field Camera 3, Fine Guidance Sensor and the Cosmic Origins Spectrograph. Photo courtesy of Scott Andrews

CAPE CANAVERAL, Fla. – In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 crew members are lowered into space shuttle Atlantis' payload bay for a close look at the hardware. Equipment familiarization is part of the crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Crew members are Commander Scott Altman, Pilot Gregory C. Johnson, and Mission Specialists Michael Good, Megan McArthur, John Grunsfeld, Mike Massimino (reaching toward the airlock) and Andrew Feustel. Atlantis is targeted to launch Oct. 8 on the STS-125 mission to service the Hubble Space Telescope. The mission crew will perform history-making, on-orbit “surgery” on two important science instruments aboard the telescope. After capturing the telescope, two teams of spacewalking astronauts will perform the repairs during five planned spacewalks. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – From Launch Pad 39A at NASA's Kennedy Space Center in Florida, space shuttle Atlantis hurtles into space on twin columns of fire on the STS-125 mission to service NASA's Hubble Space Telescope. Liftoff was on time at 2:01 p.m. EDT. Atlantis' 11-day flight will include five spacewalks to refurbish and upgrade the telescope with state-of-the-art science instruments that will expand Hubble's capabilities and extend its operational lifespan through at least 2014. The payload includes a Wide Field Camera 3, Fine Guidance Sensor and the Cosmic Origins Spectrograph. Photo courtesy of Scott Andrews

CAPE CANAVERAL, Fla. – Space shuttle Atlantis rolls out of Orbiter Processing Facility 1 at NASA's Kennedy Space Center in Florida to roll over to the Vehicle Assembly Building. First motion was at 11:30 a.m. EDT. In the VAB, Atlantis will be lifted into High Bay 3 and mated to the solid rocket booster-external fuel tank already installed on the mobile launcher platform. Atlantis is targeted to launch May 12 for the STS-125 Hubble servicing mission. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. – On its transporter, space shuttle Atlantis rolls toward the open door of the Vehicle Assembly Building after leaving Orbiter Processing Facility 1 at NASA's Kennedy Space Center in Florida. First motion was at 11:30 a.m. EDT. In the VAB, Atlantis will be lifted into High Bay 3 and mated to the solid rocket booster-external fuel tank already installed on the mobile launcher platform. Atlantis is targeted to launch May 12 for the STS-125 Hubble servicing mission. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. – On its transporter, space shuttle Atlantis rolls toward the Vehicle Assembly Building (in the background) after leaving Orbiter Processing Facility 1 at NASA's Kennedy Space Center in Florida. First motion was at 11:30 a.m. EDT. In the VAB, Atlantis will be lifted into High Bay 3 and mated to the solid rocket booster-external fuel tank already installed on the mobile launcher platform. Atlantis is targeted to launch May 12 for the STS-125 Hubble servicing mission. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. – On its transporter, space shuttle Atlantis rolls toward the Vehicle Assembly Building after leaving Orbiter Processing Facility 1 at NASA's Kennedy Space Center in Florida. First motion was at 11:30 a.m. EDT. In the VAB, Atlantis will be lifted into High Bay 3 and mated to the solid rocket booster-external fuel tank already installed on the mobile launcher platform.Atlantis is targeted to launch May 12 for the STS-125 Hubble servicing mission. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. – Space shuttle Atlantis rolls into the transfer aisle of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida. First motion was at 11:30 a.m. EDT. From the transfer aisle, Atlantis will be lifted into High Bay 3 and mated to the solid rocket booster-external fuel tank already installed on the mobile launcher platform. Atlantis is targeted to launch May 12 for the STS-125 Hubble servicing mission. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. – Space shuttle Atlantis begins rolling out of Orbiter Processing Facility 1 at NASA's Kennedy Space Center in Florida to roll over to the Vehicle Assembly Building. First motion was at 11:30 a.m. EDT. In the VAB, Atlantis will be lifted into High Bay 3 and mated to the solid rocket booster-external fuel tank already installed on the mobile launcher platform. Atlantis is targeted to launch May 12 for the STS-125 Hubble servicing mission. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. – Space shuttle Atlantis is ready to move out of Orbiter Processing Facility 1 at NASA's Kennedy Space Center in Florida and roll over to the Vehicle Assembly Building. In the VAB, Atlantis will be lifted into High Bay 3 and mated to the solid rocket booster-external fuel tank already installed on the mobile launcher platform. Atlantis is targeted to launch May 12 for the STS-125 Hubble servicing mission. Photo credit: NASA/Jack Pfaller