NASA - National Aeronautics and Space Administration

ISS027-E-034873 (19 May 2011) --- Inside Japan Aerospace Exploration Agency's Kibo lab onboard the International Space Station, five members of Endeavour's STS-134 crew respond to questions from the news media. From left to right are NASA astronauts Greg Chamitoff and Michael Fincke, European Space Agency astronaut Roberto Vittori and NASA astronaut Andrew Feustel, all mission specialists, and NASA astronaut Greg H. Johnson, pilot. Not pictured is NASA astronaut Scott Kelly, mission commander.

ISS027-E-034563 (19 May 2011) --- Backdropped against a scene showing part of Italy, this image featuring the aft part of the space shuttle Endeavour in the foreground was photographed by an Expedition 27 crew member aboard the International Space Station while the two spacecraft were docked. The vertical stabilizer, the orbital maneuvering system (OMS) pods and the lower part of the port wing are seen. Twelve astronauts and cosmonauts were busy aboard the joint complex, moving hardware and preparing for a May 20 space walk.

ISS027-E-034545(19 May 2011) --- Backdropped against a scene showing part of Italy, this image featuring an aft section of the space shuttle Endeavour in the foreground was photographed by an Expedition 27 crew member aboard the International Space Station while the two spacecraft were docked. The vertical stabilizer, the orbital maneuvering system (OMS) pods and the lower part of the port wing are seen. Twelve astronauts and cosmonauts were busy aboard the joint complex, moving hardware and preparing for a May 20 space walk.

ISS027-E-034494 (19 May 2011) --- Backdropped against a scene showing Earth's horizon and the blackness of space, this image featuring the aft part of the space shuttle Endeavour was photographed by an Expedition 27 crew member aboard the International Space Station while the two spacecraft were docked. Twelve astronauts and cosmonauts were busy aboard the joint complex, moving hardware and preparing for a May 20 space walk.

S134-E-007186 (19 May 2011) --- In the grasp of space shuttle Endeavour's robotic Canadarm, the Alpha Magnetic Spectrometer-2 (AMS) is moved from Endeavour's payload bay to be handed off to the International Space Station's Canadarm2 for installation on the station's starboard truss. Photo credit: NASA

S134-E-007189 (19 May 2011) --- In the grasp of space shuttle Endeavour's robotic Canadarm, the Alpha Magnetic Spectrometer-2 (AMS) is moved from Endeavour's payload bay to be handed off to the International Space Station's Canadarm2 for installation on the station's starboard truss. Photo credit: NASA

S134-E-007273 (19 May 2011) --- 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. Photo credit: NASA

S134-E-007275 (19 May 2011) --- NASA astronaut Greg Chamitoff, STS-134 mission specialist, is pictured in the reflection of a mirror using a still camera on the middeck of space shuttle Endeavour while docked with the International Space Station. Photo credit: NASA

S134-E-007371 (19 May 2011) --- The Alpha Magnetic Spectrometer-2 (AMS) in the space shuttle Endeavour's payload bay is featured in this image photographed by an STS-134 crew member while docked with the International Space Station. Shortly after this image was taken, the AMS was moved from the payload bay to the station's starboard truss. Photo credit: NASA

S134-E-007381 (19 May 2011) --- The Alpha Magnetic Spectrometer-2 (AMS) in the space shuttle Endeavour's payload bay is featured in this image photographed by an STS-134 crew member while docked with the International Space Station. Shortly after this image was taken, the AMS was moved from the payload bay to the station's starboard truss. Photo credit: NASA