NASA Shuttle Landing Facility (SLF) ground crew prepare for the arrival of the STS-134 crew in T-38 jets on Tuesday, April 26, 2011 at NASA's Kennedy Space Center in Cape Canaveral, Fla. During the 14-day mission, the space shuttle Endeavour and its crew 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. Launch is targeted for Friday, April 29 at 3:47 p.m. EDT. Photo credit: (NASA/Bill Ingalls)