European Space Agency astronaut Roberto Vittori STS-134 Mission Specialist is photographed after his arrival.

At the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida, European Space Agency astronaut Roberto Vittori, STS-134 Mission Specialist, is photographed after his arrival. The STS-134 crew members landed at about 9 a.m. EDT for final preparations for Endeavour's liftoff to the International Space Station scheduled for Monday, May 16 at 8:56 a.m.

Endeavour and its crew will deliver the Express Logistics Carrier-3, Alpha Magnetic Spectrometer-2 (AMS), a high-pressure gas tank and additional spare parts for the Dextre robotic helper to the 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