The crew members for space shuttle Discovery's STS-119 mission address to prepare for launch.

The crew members for space shuttle Discovery's STS-119 mission address the news media on hand to welcome them upon their arrival at NASA's Kennedy Space Center in Florida to prepare for launch. From left are Commander Lee Archambault, at the microphone; Pilot Tony Antonelli; and Mission Specialists Joseph Acaba, Steve Swanson, Richard Arnold, John Phillips and Koichi Wakata of the Japan Aerospace Exploration Agency. STS-119 is the 125th space shuttle flight and the 28th flight to the International Space Station. Discovery and its crew will deliver the final set of large power-generating solar array wings and integrated truss structure, S6, to the space station. The mission includes four spacewalks. Launch is scheduled for March 11 at 9:20 p.m. EDT. Photo credit: NASA/Kim Shiflett