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Technicians work on the space shuttle Endeavour after it landed at Kennedy Space Center in Cape Canaveral, Fla., on June 1. Endeavour touched down at its Florida home base early on Wednesday, capping a 16-day mission to deliver a premier science experiment to the International Space Station on NASA's next-to-last shuttle flight. Pierre Ducharme/Reuters
The crew of space shuttle Endeavour, from left, European Space Agency astronaut Roberto Vittori, of Italy, British born US astronaut, pilot Greg Johnson, commander Mark Kelly, mission specialist Mike Fincke, Canadian born US astronaut Greg Chamitoff and mission specialist Drew Feustel wave to space workers and media members after landing at the Kennedy Space Center in Cape Canaveral, Fla., on June 1. John Raoux/AP
Space shuttle Endeavour lands at the Kennedy Space Center in Cape Canaveral, Fla., on June 1. Joe Skipper/Reuters
Backdropped by a nighttime view of the Earth and the starry sky, the Space Shuttle Endeavour is photographed docked at the International Space Station on May 28. The STS-134 astronauts left the station the next day on May 29, after delivering the Alpha Magnetic Spectrometer and performing four spacewalks during Endeavour's final mission.
Astronaut Drew Feustel re-enters the space station after completing an 8-hour, 7-minute spacewalk on May 22.
The Space Shuttle Endeavour sat on Launch Pad 39A as a storm passed prior to the rollback of the Rotating Service Structure, on April 28, at Kennedy Space Center in Cape Canaveral, Fla.
NASA astronaut Andrew Feustel, STS-134 mission specialist, participates in the mission's first session of extravehicular activity as construction and maintenance continue on the International Space Station. During the six-hour, 19-minute spacewalk, Feustel and astronaut Greg Chamitoff retrieved long-duration materials exposure experiments, installed a light, and made preparations for more experiments.
A fish-eye lens attached to an electronic still camera was used to capture this image of NASA astronaut Michael Fincke (top c.) during the mission's fourth session of extravehicular activity as construction and maintenance continue on the International Space Station. The blackness of space and Earth's horizon provide the backdrop for the scene.
Rising on twin columns of fire and kicking up a trail of smoke and steam, space shuttle Endeavour lifts off from its seaside launch pad at NASA's Kennedy Space Center in Florida on May 16.
Attired in training versions of their shuttle launch and entry suits, these six astronauts take a break from training to pose for the STS-134 crew portrait. Pictured clockwise are NASA astronauts Mark Kelly (bottom c.), commander; Gregory H. Johnson, pilot; Michael Fincke, Greg Chamitoff, Andrew Feustel and European Space Agency's Roberto Vittori, all mission specialists.
European Space Agency astronaut Roberto Vittori, STS-134 mission specialist, floats through the Destiny laboratory of the International Space Station while Space Shuttle Endeavour remains docked with the station.
In the grasp of the International Space Station's Canadarm2, the Alpha Magnetic Spectrometer-2 is transferred from Space Shuttle Endeavour's payload bay for installation on the station's starboard truss.
NASA astronaut Greg H. Johnson, STS-134 pilot, floats through a hatch on the International Space Station on May 20.
A fish-eye lens attached to an electronic still camera was used to capture this image of NASA astronaut Greg Chamitoff during the mission's fourth STS-134 spacewalk. During the spacewalk, Chamitoff and fellow astronaut Michael Fincke stowed the 50-foot-long boom and added a power and data grapple fixture to make it the Enhanced International Space Station Boom Assembly.
The STS-134 crew arrived in T-38 jets at the NASA Kennedy Space Center Shuttle Landing Facility in Cape Canaveral, Fla. on April 27.
Bathed in xenon lights, space shuttle Endeavour, attached to its external fuel tank and solid rocket boosters, rolls out of the Vehicle Assembly Building on a nighttime journey to Launch Pad 39A at NASA's Kennedy Space Center in Florida.
Earth's atmosphere and a starry sky just off the port wing of the docked space shuttle Endeavour are the subject of this image photographed by the Expedition 28 crew, while the shuttle was docked with space station on the STS-134 mission.
With components of the International Space Station in the view, NASA astronauts Andrew Feustel (r.) and Michael Fincke are pictured during the STS-134 mission's third spacewalk. They coordinated their shared activity with NASA astronaut Greg Chamitoff, who stayed in communication with the pair and with Mission Control Center in Houston from inside the station.
NASA astronaut Michael Fincke worked outside the station during the fourth and final spacewalk of the STS-134 mission, which lasted more than 7 hours.
One of the Expedition 27 crew members aboard the International Space Station recorded this image of the Space Shuttle Endeavour as the two spacecraft made their relative approach on May 18. Each spacecraft was occupied by six crew members until the STS-134 astronauts entered the ISS minutes following the docking.
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The space shuttle Endeavour landed in California on its way to its final resting place. On the way, it made a flyover in Tucson, Arizona where former Congresswoman Gabrielle Giffords and her husband Mark Kelly, Endeavour's retired commander, were watching.
The space shuttle Endeavour, carried piggyback atop a jumbo jet, landed at Edwards Air Force Base in California on Thursday at the tail end of a cross-country trip to Los Angeles to begin its final mission as a museum exhibit.
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