Members of the Columbia Accident Investigation Board examine a piece of Columbia debris in the RLV Hangar.

Members of the Columbia Accident Investigation Board examine a piece of Columbia debris in the RLV Hangar. The debris was shipped from the collection point at Barksdale Air Force Base, Shreveport, La. As part of the ongoing investigation into the tragic accident that claimed Columbia and her crew of seven, workers will attempt to reconstruct the orbiter inside the RLV.