US Air Force (USAF) Technical Sergeant (TSGT) Robert J. Horstman (left), a Photographer assigned to the 2nd Communications Squadron, Barksdale Air Force Base, Louisiana (LA) and members of the space shuttle Columbias Mishap Investigation Team, receive a safety briefing prior to boarding a USAF HH-60 Black Hawk helicopter, on the flight line at Barksdale Air Force Base (AFB), Louisiana (LA). The helicopter is being used to transportation personnel to the debris sites located in Texas (TX) and Louisiana (LA)