Harold W. Gehman Jr. are given a guided tour around Space Shuttle Discovery as it undergoes its Orbiter Major Modification Period.

Retired Navy Admiral Harold W. Gehman Jr. (second from left), chairman of the Columbia Accident Investigation Board, and other members of the board are given a guided tour around Space Shuttle Discovery as it undergoes its Orbiter Major Modification Period. Gehman and other members of the board are visiting sites at KSC to become familiar with the Shuttle launch process. The independent board is charged with determining what caused the destruction of the Space Shuttle Columbia and the loss of its seven-member crew on Feb. 1 during reentry.