STS-119 Pilot Tony Antonelli (left) and Commander Lee Archambault happily pose for a photo after practicing shuttle landings in Shuttle Training Aircraft at NASA's Kennedy Space Center in Florida. The mission crew members arrived in the afternoon at Kennedy to prepare for launch. The mission is the 28th to the International Space Station and the 125th space shuttle flight. Space shuttle Discovery will deliver the final pair of power-generating solar array wings and truss element, S6. Photo credit: NASA/Kim Shiflett