NASA Assigns Crew for STS-134 Shuttle Mission, Change to STS-132 NASA has assigned the crew for space shuttle mission STS-134 to the International Space Station. The flight will deliver the Alpha Magnetic Spectrometer, or AMS, to the station. The AMS is a state-of-the-art cosmic ray particle physics detector designed to examine fundamental issues about matter and the origin and structure of the universe. Navy Capt. Mark Kelly will command the STS-134 mission. Retired Air Force Col. Gregory H. Johnson will serve as the pilot. Mission Specialists are Air Force Col. Michael Fincke, Greg Chamitoff and Andrew Feustel. European Space Agency astronaut and Italian Air Force Col. Roberto Vittori also will serve as a mission specialist.