Staff Sgt. Anthony Barrette, survival, evasion, resistance and escape specialist from the 437th Operations Support Squadron, pulls up an anchor attached to the front of a one-man life raft during a water survival training course May 2, 2011, at the Charleston Harbor (S.C.). During the course each Airman must board the life raft and show the location of the anchor and air valves. (U.S. Air Force Photo/Airman 1st Class Jared Trimarchi)