Congressman Dave Weldon (center) is greeted by Launch Director Mike Leinbach (right) at the RLV Hangar. Weldon is visiting the site where pieces of Columbia debris are being examined and stored. Workers will attempt to reconstruct the orbiter as part of the ongoing investigation of the accident that destroyed the Columbia and claimed the lives of seven astronauts as they returned to Earth after a 16-day research mission, STS-107. .