KSC-2011-2662

CAPE CANAVERAL, Fla. -- During a simulated launch countdown, the STS-134 crew walks out of the Operations and Checkout Building to the waiting Astrovan at NASA's Kennedy Space Center in Florida. As part of the Terminal Countdown Demonstration Test (TCDT), the crew members ride to Kennedy's Launch Pad 39A in the silver vehicle and strap into space shuttle Endeavour to practice the steps that will be taken on launch day. From front, left to right, are STS-134 Pilot Greg H. Johnson, Commander Mark Kelly; second row; astronaut Roberto Vittori from the European Space Agency and Mission Specialist Mike Fincke; third row are Mission Specialists Greg Chamitoff and Andrew Feustel. Endeavour's six crew members are targeted to launch April 19 at 7:48 p.m. EDT, they will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer-2 (AMS), a high-pressure gas tank, additional spare parts for the Dextre robotic helper and micrometeoroid debris shields to the space station. This will be the final spaceflight for Endeavour. For more information visit, www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts134/index.html. Photo credit: NASA/Kim Shiflett