STS-134 Tweets Launch Day

NASA Twitter followers from left; Leigh Checkman (@liprap), Barbara Nixon (@BarbaraNixon), and Beth Schaefer (@boonbeth), hold up signs just before the Astrovan, carrying the STS-134 crew out to launch pad 39a passed by, early Monday, May 16, 2011, at Kennedy Space Center in Cape Canaveral, Fla. During the 16-day mission, Endeavour, with Commander Mark Kelly, Pilot Gregory H. Johnson, Mission Specialists Michael Fincke, Greg Chamitoff, Andrew Feustel and European Space Agency astronaut Robert Vittori will deliver the Alpha Magnetic Spectrometer (AMS) and spare parts including two S-band communications antennas, a high-pressure gas tank and additional spare parts for Dextre. Photo Credit: (NASA/Paul E. Alers)