Endeavour Crew: Commander Mark Kelly, Pilot Gregory H. Johnson, Mission Specialists Michael Fincke, Greg Chamitoff, Andrew Feustel and Roberto Vittori Launch: 8:56 a.m. EDT - May 16, 2011 Landing: Launch Window:10 minutes Launch Pad:39A Mission Duration: 16 days Spacewalks: 4 Landing Site:KSC Inclination/Altitude: 51.6 degrees/122 nautical miles Primary Payload: 36th station flight (ULF6), EXPRESS Logistics Carrier 3 (ELC3), Alpha Magnetic Spectrometer (AMS)