Shuttle Test Director Steve Altemus discusses a piece of debris from the Space Shuttle Columbia with NASA Administrator Sean O'Keefe.

In the RLV Hangar, Shuttle Test Director Steve Altemus (left), a member of the Columbia Reconstruction Project Team, discusses a piece of debris from the Space Shuttle Columbia with NASA Administrator Sean O'Keefe (right). To date, more than 70,000 items have been delivered to KSC for use in the ongoing mishap investigation.