
CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, a sample of the Cell-Mechanosensing 2 experiment for the Japan Aerospace Exploration Agency has been prepared for viewing through a high-powered microscope. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, Akira Higashibata, a scientist with the Japan Aerospace Exploration Agency, or JAXA, prepares the Cell-Mechanosensing 2 experiment for JAXA. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, Akira Higashibata, a scientist with the Japan Aerospace Exploration Agency, or JAXA, prepares fluid to hold samples for the Cell-Mechanosensing 2 experiment for JAXA. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, Dr. Takeshi Kobayashi, an assistant professor at Nagoya University in Japan, prepares samples for the Cell-Mechanosensing 2 experiment for the Japan Aerospace Exploration Agency. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, a view through a microscope reveals one of the samples for the Cell-Mechanosensing 2 experiment for the Japan Aerospace Exploration Agency. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, Dr. Takeshi Kobayashi, an assistant professor at Nagoya University in Japan, prepares samples for the Cell-Mechanosensing 2 experiment for the Japan Aerospace Exploration Agency. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, Dr. Takeshi Kobayashi, at left, an assistant professor at Nagoya University in Japan, and Dr. Toko Hashizume, an engineer with AES, prepare samples for the Cell-Mechanosensing 2 experiment for the Japan Aerospace Exploration Agency. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, Dr. Takeshi Kobayashi, an assistant professor at Nagoya University in Japan, uses a microscope and computer monitor to check samples of the Cell-Mechanosensing 2 experiment for the Japan Aerospace Exploration Agency. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, Dr. Takeshi Kobayashi, an assistant professor at Nagoya University in Japan, prepares samples for the Cell-Mechanosensing 2 experiment for the Japan Aerospace Exploration Agency. Standing nearby is Dr. Toko Hashizume, an engineer with AES. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, Dr. Takeshi Kobayashi, at left, an assistant professor at Nagoya University in Japan, and Dr. Toko Hashizume, an engineer with AES, prepare samples for the Cell-Mechanosensing 2 experiment for the Japan Aerospace Exploration Agency. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis

In the Kennedy Space Center’s Press Site auditorium, Jessica Jensen, director of Dragon Mission Management for SpaceX, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-15 Commercial Resupply Services mission to the International Space Station. A SpaceX Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station. The SpaceX Falcon 9 rocket will lift off on the company's 15th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, David Brady, assistant program scientist for the International Space Station Program, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-15 Commercial Resupply Services mission to the International Space Station. A SpaceX Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station. The SpaceX Falcon 9 rocket will lift off on the company's 15th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Kirk Shireman, manager of the International Space Station Program, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-15 Commercial Resupply Services mission to the International Space Station. A SpaceX Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station. The SpaceX Falcon 9 rocket will lift off on the company's 15th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Stephanie Schierholz of NASA Communications, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-15 Commercial Resupply Services mission to the International Space Station. A SpaceX Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station. The SpaceX Falcon 9 rocket will lift off on the company's 15th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Hans Koenigsmann, vice president of Flight Reliability for SpaceX, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-11 commercial resupply services mission to the International Space Station. A Dragon spacecraft is scheduled to be launched from Kennedy’s Launch Complex 39A on June 1 atop a SpaceX Falcon 9 rocket on the company's 11th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Hans Koenigsmann, vice president of Build and Flight Reliability for SpaceX, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-12 commercial resupply services mission to the International Space Station. A Dragon spacecraft is scheduled to be launched from Kennedy’s Launch Complex 39A on Aug. 14 atop a SpaceX Falcon 9 rocket on the company's 12th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Kirk Shireman, manager of the International Space Station Program, left, and Jessica Jensen, director of Dragon Mission Management for SpaceX, speak to members of the media during a prelaunch news conference for the SpaceX CRS-15 Commercial Resupply Services mission to the International Space Station. A SpaceX Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station. The SpaceX Falcon 9 rocket will lift off on the company's 15th Commercial Resupply Services mission to the space station.

CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, April Spinale, a payload integration specialist with Bionetics, cleans the vials that will hold the Protein Crystal Growth 2 samples for the Center for Advancement of Science in Space, or CASIS. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. The CASIS experiment will be used in the National Laboratory on the space station. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis

In the Kennedy Space Center’s Press Site auditorium, Camille Alleyne, associate program scientist for the International Space Station at NASA’s Johnson Space Center, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-11 commercial resupply services mission to the International Space Station. A Dragon spacecraft is scheduled to be launched from Kennedy’s Launch Complex 39A on June 1 atop a SpaceX Falcon 9 rocket on the company's 11th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Cheryl Warner of NASA Communications speaks to members of the media during a prelaunch news conference for the SpaceX CRS-13 commercial resupply services mission to the International Space Station. A Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station at 11:46 a.m. EST, on Dec. 12, 2017. The SpaceX Falcon 9 rocket will lift off on the company's 13th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Pete Hasbrook, associate program scientist for the International Space Station Program, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-12 commercial resupply services mission to the International Space Station. A Dragon spacecraft is scheduled to be launched from Kennedy’s Launch Complex 39A on Aug. 14 atop a SpaceX Falcon 9 rocket on the company's 12th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, members of the media participate with NASA and industry leaders in a prelaunch news conference for the SpaceX CRS-13 commercial resupply services mission to the International Space Station. A Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station at 11:46 a.m. EST, on Dec. 12, 2017. The SpaceX Falcon 9 rocket will lift off on the company's 13th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Dan Hartman, NASA deputy manager of the International Space Station Program, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-12 commercial resupply services mission to the International Space Station. A Dragon spacecraft is scheduled to be launched from Kennedy’s Launch Complex 39A on Aug. 14 atop a SpaceX Falcon 9 rocket on the company's 12th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Jessica Jensen, SpaceX director of Dragon Mission Management, left, and Kirt Costello, deputy chief scientist for the International Space Station Program Science Office at NASA’s Johnson Space Center in Houston, speak to members of the media during a prelaunch news conference for the SpaceX CRS-13 commercial resupply services mission to the International Space Station. A Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station at 11:46 a.m. EST, on Dec. 12, 2017. The SpaceX Falcon 9 rocket will lift off on the company's 13th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, agency and industry leaders speak to members of the media during a prelaunch news conference for the SpaceX CRS-12 commercial resupply services mission to the International Space Station. From left are: Josh Finch of NASA Communications; Dan Hartman, NASA deputy manager of the International Space Station Program, Hans Koenigsmann, vice president of Build and Flight Reliability for SpaceX, and Pete Hasbrook, associate program scientist for the International Space Station Program. A Dragon spacecraft is scheduled to be launched from Kennedy’s Launch Complex 39A on Aug. 14 atop a SpaceX Falcon 9 rocket on the company's 12th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Mike McAleenan, launch weather officer for the U.S. Air Force 45th Weather Squadron at Cape Canaveral Air Force Station, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-15 Commercial Resupply Services mission to the International Space Station. A SpaceX Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station. The SpaceX Falcon 9 rocket will lift off on the company's 15th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Mike McAleenan, launch weather officer for the U.S. Air Force 45th Weather Squadron, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-11 commercial resupply services mission to the International Space Station. A Dragon spacecraft is scheduled to be launched from Kennedy’s Launch Complex 39A on June 1 atop a SpaceX Falcon 9 rocket on the company's 11th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Jessica Jensen, SpaceX director of Dragon Mission Management, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-13 commercial resupply services mission to the International Space Station. A Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station at 11:46 a.m. EST, on Dec. 12, 2017. The SpaceX Falcon 9 rocket will lift off on the company's 13th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, agency and industry leaders speak to members of the media during a prelaunch news conference for the SpaceX CRS-15 Commercial Resupply Services mission to the International Space Station. From left are: Stephanie Schierholz of NASA Communications,Kirk Shireman, NASA manager of the International Space Station Program, Jessica Jensen, director of Dragon Mission Management for SpaceX, Mike McAleenan, launch weather officer for the U.S. Air Force 45th Weather Squadron at Cape Canaveral Air Force Station, and David Brady, assistant program scientist for the International Space Station Program. A SpaceX Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station. The SpaceX Falcon 9 rocket will lift off on the company's 15th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Kirt Costello, deputy chief scientist for the International Space Station Program Science Office at NASA’s Johnson Space Center in Houston, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-13 commercial resupply services mission to the International Space Station. A Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station at 11:46 a.m. EST, on Dec. 12, 2017. The SpaceX Falcon 9 rocket will lift off on the company's 13th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Kirk Shireman, International Space Station Program manager at Johnson, participates by video link speaking to members of the media during a prelaunch news conference for the SpaceX CRS-13 commercial resupply services mission to the International Space Station. A Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station at 11:46 a.m. EST, on Dec. 12, 2017. The SpaceX Falcon 9 rocket will lift off on the company's 13th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Lt. David Myers, weather officer for the 45th Weather Squadron, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-13 commercial resupply services mission to the International Space Station. A Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station at 11:46 a.m. EST, on Dec. 12, 2017. The SpaceX Falcon 9 rocket will lift off on the company's 13th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, Lt. David Myers, weather officer for the 45th Weather Squadron, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-13 commercial resupply services mission to the International Space Station. A Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station at 11:46 a.m. EST, on Dec. 12, 2017. The SpaceX Falcon 9 rocket will lift off on the company's 13th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, NASA and industry leaders speak to members of the media during a prelaunch news conference for the SpaceX CRS-13 commercial resupply services mission to the International Space Station. From left are: Cheryl Warner of NASA Communications, Jessica Jensen, SpaceX director of Dragon Mission Management, Kirt Costello, deputy chief scientist for the International Space Station Program Science Office at NASA’s Johnson Space Center in Houston, and Lt. David Myers, weather officer for the 45th Weather Squadron. Kirk Shireman, International Space Station Program manager at Johnson, participated by video link. A Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station at 11:46 a.m. EST, on Dec. 12, 2017. The SpaceX Falcon 9 rocket will lift off on the company's 13th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, NASA and industry leaders speak to members of the media during a prelaunch news conference for the SpaceX CRS-13 commercial resupply services mission to the International Space Station. From left are: Cheryl Warner of NASA Communications, Jessica Jensen, SpaceX director of Dragon Mission Management, Kirt Costello, deputy chief scientist for the International Space Station Program Science Office at NASA’s Johnson Space Center in Houston, and Lt. David Myers, weather officer for the 45th Weather Squadron. Kirk Shireman, International Space Station Program manager at Johnson, participated by video link. A Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station at 11:46 a.m. EST, on Dec. 12, 2017. The SpaceX Falcon 9 rocket will lift off on the company's 13th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, agency and industry leaders speak to members of the media during a prelaunch news conference for the SpaceX CRS-11 commercial resupply services mission to the International Space Station. From left are: Mike Curie of NASA Communications, Kirk Shireman, NASA's International Space Station Program manager, Hans Koenigsmann, vice president of Flight Reliability for SpaceX, Camille Alleyne, associate program scientist for the International Space Station at NASA’s Johnson Space Center, and Mike McAleenan, launch weather officer for the U.S. Air Force 45th Weather Squadron. A Dragon spacecraft is scheduled to be launched from Kennedy’s Launch Complex 39A on June 1 atop a SpaceX Falcon 9 rocket on the company's 11th Commercial Resupply Services mission to the space station.

In the Kennedy Space Center’s Press Site auditorium, agency and industry leaders speak to members of the media during a prelaunch news conference for the SpaceX CRS-11 commercial resupply services mission to the International Space Station. From left are: Mike Curie of NASA Communications, Kirk Shireman, NASA's International Space Station Program manager, Hans Koenigsmann, vice president of Flight Reliability for SpaceX, Camille Alleyne, associate program scientist for the International Space Station at NASA’s Johnson Space Center, and Mike McAleenan, launch weather officer for the U.S. Air Force 45th Weather Squadron. A Dragon spacecraft is scheduled to be launched from Kennedy’s Launch Complex 39A on June 1 atop a SpaceX Falcon 9 rocket on the company's 11th Commercial Resupply Services mission to the space station.

In the Press Site auditorium of NASA's Kennedy Space Center in Florida, Hans Koenigsmann, vice president of Flight Reliability for SpaceX. SpaceX, speaks to media at a post-launch news conference following the liftoff of SpaceX CRS-11, a commercial resupply services mission to the International Space Station. SpaceX CRS-11 lifted off atop a Falcon 9 rocket from Kennedy's Launch Complex 39A at 5:07 p.m. EDT.

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Kevin O'Connel & Tony Gray

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/George Roberts

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Kevin O'Connel & Tony Gray

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Jim Grossman

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Jim Grossman

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Jim Grossman

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/George Roberts

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Kevin O'Connel & Tony Gray

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Tony Gray

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/George Roberts

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/George Roberts

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Kevin O'Connel & Tony Gray

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Tony Gray

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Tony Gray & Kevin O'Connel

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Tony Gray and Kevin O’Connell

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Jim Grossman

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Tony Gray

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Tony Gray & Kevin O'Connel

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Tony Gray

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Jim Grossman

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Tony Gray and Kevin O’Connell

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Tony Gray & Kevin O'Connel

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Tony Gray and Kevin O’Connell

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Kevin O'Connel & Tony Gray

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Kevin O'Connel & Tony Gray

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Tony Gray & Kevin O'Connel

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Tony Gray

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Kevin O'Connel & Tony Gray

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Frankie Martin

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Jim Grossman

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Jim Grossman

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Kevin O'Connel & Tony Gray

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Tony Gray & Kevin O'Connel

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Tony Gray and Kevin O’Connell

CAPE CANAVERAL, Fla. – SpaceX rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Liftoff was at 4:47 a.m. EST. The commercial resupply mission will deliver 3,700 pounds of scientific experiments, technology demonstrations and supplies, including critical materials to support 256 science and research investigations that will take place on the space station. Photo credit: NASA/Kevin O'Connel & Tony Gray

CAPE CANAVERAL, Fla. – In the Kennedy Space Center’s Press Site auditorium, members of news media are briefed on preparations for the launch of the SpaceX CRS-4 mission to resupply the International Space Station. Hans Koenigsmann, vice president of Mission Assurance with SpaceX, participated in the briefing. The mission is the fourth of 12 SpaceX flights NASA contracted with the company to resupply the space station. It will be the fifth trip by a Dragon spacecraft to the orbiting laboratory. The spacecraft’s 2.5 tons of supplies, science experiments, and technology demonstrations include critical materials to support 255 science and research investigations that will occur during the station's Expeditions 41 and 42. Liftoff is targeted for an instantaneous window at 2:14 a.m. EDT. To learn more about the mission, visit http://www.nasa.gov/mission_pages/station/structure/launch/index.html Photo credit: NASA/Jim Grossmann

CAPE CANAVERAL, Fla. – In the Kennedy Space Center’s Press Site auditorium, members of news media are briefed on preparations for the launch of the SpaceX CRS-4 mission to resupply the International Space Station. Kathy Winters, launch weather officer for the 45th Weather Squadron, participated in the briefing. Hans Koenigsmann, vice president of Mission Assurance with SpaceX, looks on from the left. The mission is the fourth of 12 SpaceX flights NASA contracted with the company to resupply the space station. It will be the fifth trip by a Dragon spacecraft to the orbiting laboratory. The spacecraft’s 2.5 tons of supplies, science experiments, and technology demonstrations include critical materials to support 255 science and research investigations that will occur during the station's Expeditions 41 and 42. Liftoff is targeted for an instantaneous window at 2:14 a.m. EDT. To learn more about the mission, visit http://www.nasa.gov/mission_pages/station/structure/launch/index.html Photo credit: NASA/Jim Grossmann

Members of the media were shown CIMON, an artificial intelligence system which will assist astronauts on the International Space Station, during a briefing in the Kennedy Space Center’s Press Site auditorium. The briefing focused on research planned for launch to the space station. The scientific materials and supplies will be aboard a SpaceX Dragon spacecraft scheduled for liftoff from Cape Canaveral Air Force Station's Space Launch Complex 40. The SpaceX Falcon 9 rocket will launch the company's 15th Commercial Resupply Services mission to the space station.

As a Falcon 9 rocket stands ready for liftoff at the Kennedy Space Center's Launch Complex 39A. The rocket will boost a Dragon resupply spacecraft to the International Space Station. Liftoff is scheduled for 12:31 p.m. EDT. On its 12th commercial resupply services mission to the space station, Dragon will bring up more than 6,400 pounds of supplies. The historic launch site now is operated by SpaceX under a property agreement signed with NASA.

As a Falcon 9 rocket stands ready for liftoff at the Kennedy Space Center's Launch Complex 39A. The rocket will boost a Dragon resupply spacecraft to the International Space Station. Liftoff is scheduled for 12:31 p.m. EDT. On its 12th commercial resupply services mission to the space station, Dragon will bring up more than 6,400 pounds of supplies. The historic launch site now is operated by SpaceX under a property agreement signed with NASA.

As a Falcon 9 rocket stands ready for liftoff at the Kennedy Space Center's Launch Complex 39A. The rocket will boost a Dragon resupply spacecraft to the International Space Station. Liftoff is scheduled for 12:31 p.m. EDT. On its 12th commercial resupply services mission to the space station, Dragon will bring up more than 6,400 pounds of supplies. The historic launch site now is operated by SpaceX under a property agreement signed with NASA.

As a Falcon 9 rocket stands ready for liftoff at the Kennedy Space Center's Launch Complex 39A. The rocket will boost a Dragon resupply spacecraft to the International Space Station. Liftoff is scheduled for 12:31 p.m. EDT. On its 12th commercial resupply services mission to the space station, Dragon will bring up more than 6,400 pounds of supplies. The historic launch site now is operated by SpaceX under a property agreement signed with NASA.

CAPE CANAVERAL, Fla. – During a news conference at NASA's Kennedy Space Center in Florida, agency and contractor officials discussed preparations for the launch of the SpaceX-3 Commercial Resupply Services mission to the International Space Station. Participating in the briefing is Hans Koenigsmann, SpaceX vice president of Mission Assurance. Scheduled for launch on April 14, 2014 atop a Falcon 9 rocket, Dragon spacecraft will be marking its fourth trip to the space station. The SpaceX-3 mission carrying almost 2.5 tons of supplies, technology and science experiments is the third of 12 flights contracted by NASA to resupply the orbiting laboratory. For more information, visit http://www.nasa.gov/mission_pages/station/structure/launch/index.html Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. – During a news conference at NASA's Kennedy Space Center in Florida, agency and contractor officials discussed preparations for the launch of the SpaceX-3 Commercial Resupply Services mission to the International Space Station. Participating in the briefing, from the left, are Mike Curie of NASA Public Affairs, Hans Koenigsmann, SpaceX vice president of Mission Assurance, and Mike McAleenan, launch weather officer, 45th Weather Squadron. Scheduled for launch on April 14, 2014 atop a Falcon 9 rocket, Dragon spacecraft will be marking its fourth trip to the space station. The SpaceX-3 mission carrying almost 2.5 tons of supplies, technology and science experiments is the third of 12 flights contracted by NASA to resupply the orbiting laboratory. For more information, visit http://www.nasa.gov/mission_pages/station/structure/launch/index.html Photo credit: NASA/Kim Shiflett

Mike Roberts, deputy chief scientist, Center for the Advancement of Science in Space (CASIS), speaks to members of the media during a briefing in the Kennedy Space Center’s Press Site auditorium. The briefing focused on research planned for launch to the International Space Station. The scientific materials and supplies will be aboard a SpaceX Dragon spacecraft scheduled for liftoff from Cape Canaveral Air Force Station's Space Launch Complex 40. The SpaceX Falcon 9 rocket will launch the company's 15th Commercial Resupply Services mission to the space station.

Richard Grugel, principal investigator, NASA’s Marshall Spaceflight Center, speaks to members of the media during a briefing in the Kennedy Space Center’s Press Site auditorium. The briefing focused on research planned for launch to the International Space Station. The scientific materials and supplies will be aboard a SpaceX Dragon spacecraft scheduled for liftoff from Cape Canaveral Air Force Station's Space Launch Complex 40. The SpaceX Falcon 9 rocket will launch the company's 15th Commercial Resupply Services mission to the space station.

Bret Greenstein, IBM Global Vice President of Watson and IOT Offerings, speaks to members of the media in the Kennedy Space Center’s Press Site auditorium. The briefing focused on research planned for launch to the International Space Station. The scientific materials and supplies will be aboard a SpaceX Dragon spacecraft scheduled for liftoff from Cape Canaveral Air Force Station's Space Launch Complex 40. The SpaceX Falcon 9 rocket will launch the company's 15th Commercial Resupply Services mission to the space station.

Richard Dickinson, division director, CBET, National Science Foundation, talks to members of the media during a briefing in the Kennedy Space Center’s Press Site auditorium. The briefing focused on research planned for launch to the International Space Station. The scientific materials and supplies will be aboard a SpaceX Dragon spacecraft scheduled for liftoff from Cape Canaveral Air Force Station's Space Launch Complex 40. The SpaceX Falcon 9 rocket will launch the company's 15th Commercial Resupply Services mission to the space station.

Simon Hook, ECOSTRESS principal investigator, NASA’S Jet Propulsion Laboratory, speaks to members of the media during a briefing in the Kennedy Space Center’s Press Site auditorium. The briefing focused on research planned for launch to the International Space Station. The scientific materials and supplies will be aboard a SpaceX Dragon spacecraft scheduled for liftoff from Cape Canaveral Air Force Station's Space Launch Complex 40. The SpaceX Falcon 9 rocket will launch the company's 15th Commercial Resupply Services mission to the space station.

Dr. Paolo Luzzatto-Fergiz, professor, UC Santa Barbara Engineering Dept., addresses members of the media during a briefing in the Kennedy Space Center’s Press Site auditorium. The briefing focused on research planned for launch to the International Space Station. The scientific materials and supplies will be aboard a SpaceX Dragon spacecraft scheduled for liftoff from Cape Canaveral Air Force Station's Space Launch Complex 40. The SpaceX Falcon 9 rocket will launch the company's 15th Commercial Resupply Services mission to the space station.

Bret Greenstein, IBM Global Vice President of Watson and IOT Offerings, speaks to members of the media during a briefing in the Kennedy Space Center’s Press Site auditorium. The briefing focused on research planned for launch to the International Space Station. The scientific materials and supplies will be aboard a SpaceX Dragon spacecraft scheduled for liftoff from Cape Canaveral Air Force Station's Space Launch Complex 40. The SpaceX Falcon 9 rocket will launch the company's 15th Commercial Resupply Services mission to the space station.

Members of the media attend a briefing in the Kennedy Space Center’s Press Site auditorium. The briefing focused on research planned for launch to the International Space Station. The scientific materials and supplies will be aboard a SpaceX Dragon spacecraft scheduled for liftoff from Cape Canaveral Air Force Station's Space Launch Complex 40. The SpaceX Falcon 9 rocket will launch the company's 15th Commercial Resupply Services mission to the space station.

Greg Harland, NASA Communications, speaks to members of the media during a briefing in the Kennedy Space Center’s Press Site auditorium. The briefing focused on research planned for launch to the International Space Station. The scientific materials and supplies will be aboard a SpaceX Dragon spacecraft scheduled for liftoff from Cape Canaveral Air Force Station's Space Launch Complex 40. The SpaceX Falcon 9 rocket will launch the company's 15th Commercial Resupply Services mission to the space station.

Ken Podwalski, Canadian ISS program manager, talks to members of the media during a briefing in the Kennedy Space Center’s Press Site auditorium. The briefing focused on research planned for launch to the International Space Station. The scientific materials and supplies will be aboard a SpaceX Dragon spacecraft scheduled for liftoff from Cape Canaveral Air Force Station's Space Launch Complex 40. The SpaceX Falcon 9 rocket will launch the company's 15th Commercial Resupply Services mission to the space station.

In the Press Site auditorium of NASA's Kennedy Space Center in Florida, Jessica Jensen, Dragon mission manager for SpaceX, speaks to the news media at a post-launch news conference following the liftoff of SpaceX CRS-10, a commercial resupply services mission to the International Space Station. SpaceX CRS-10 lifted off atop a Falcon 9 rocket from Kennedy's Launch Complex 39A at 9:39 a.m. EST.

In the Press Site auditorium of NASA's Kennedy Space Center in Florida, Jessica Jensen, Dragon mission manager for SpaceX, speaks to the news media at a post-launch news conference following the liftoff of SpaceX CRS-10, a commercial resupply services mission to the International Space Station. SpaceX CRS-10 lifted off atop a Falcon 9 rocket from Kennedy's Launch Complex 39A at 9:39 a.m. EST.

In the Press Site auditorium of NASA's Kennedy Space Center in Florida, Hans Koenigsmann, SpaceX vice president of Flight and Build Reliability, speaks to media at a post-launch news conference following the liftoff of SpaceX CRS-12, a commercial resupply services mission to the International Space Station. SpaceX CRS-12 lifted off atop a Falcon 9 rocket from Kennedy's Launch Complex 39A at 12:31 p.m. EDT.

In the Press Site auditorium of NASA's Kennedy Space Center in Florida, Hans Koenigsmann, SpaceX vice president of Flight and Build Reliability, speaks to media at a post-launch news conference following the liftoff of SpaceX CRS-12, a commercial resupply services mission to the International Space Station. SpaceX CRS-12 lifted off atop a Falcon 9 rocket from Kennedy's Launch Complex 39A at 12:31 p.m. EDT.

CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, April Spinale, a payload integration specialist with Bionetics, fills vials with clear water during an acceptance leak test on the hardware for the Protein Crystal Growth 2 experiment. To her left is Ray Polniak, a quality assurance specialist with Dynamac. They are both consultants for the Center for Advancement of Science in Space, or CASIS. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, April Spinale, a payload integration specialist with Bionetics, fills vials with clear water during an acceptance leak test on the hardware for the Protein Crystal Growth 2 experiment. Spinale is a consultant for the Center for Advancement of Science in Space, or CASIS. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, April Spinale, a payload integration specialist with Bionetics, and Ray Polniak, a quality assurance specialist with Dynamac, place a set of vials for the Protein Crystal Growth 2 experiment into a vacuum chamber for an acceptance leak test. The vials have been filled with clear water. The test will verify that the hardware is providing adequate containment for the liquids. Both are consultants for the Center for Advancement of Science in Space, or CASIS. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. – Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, April Spinale, a payload integration specialist with Bionetics, and Ray Polniak, a quality assurance specialist with Dynamac, fill vials with clear water during an acceptance leak test on the hardware for the Protein Crystal Growth 2 experiment. They are both consultants for the Center for Advancement of Science in Space, or CASIS. The experiment is one of many that will be delivered to the International Space Station on the SpaceX-4 commercial cargo resupply mission. Kennedy's ISS Ground Processing and Research Project Office is providing the necessary laboratories, equipment, supplies and consumables for 61 principal investigators, including 17 from other countries, as they prepare their science experiments for flight. The SpaceX-4 flight is targeted to launch in September 2014. Photo credit: NASA/Dimitri Gerondidakis