Chief Petty Officer Paul Church, a Coast Guard diver (DV), assigned to Coast Guard Dive Locker West, is sworn into his re-enlistment ceremony on the ocean floor during a training operation from the Coast Guard Cutter George Cobb in the waters off San Pedro, April 22, 2015. The training evolution was the Coast Guard's first ever decompression dive, which recently stood up a job rating specifically for diving. (U.S. Coast Guard photograph by Petty Officer 3rd Class Andrea L. Anderson)