Center Director Roy Bridges (left) accompanies Congressman Dave Weldon (second from right) on his visit to the RLV Hangar where pieces of Columbia debris are being examined and stored. At right is Steve Altemus, Space Shuttle test director. 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.