SAN PEDRO, Calif. - Chief Petty Officer Charles Ashmore, a Coast Guard Diver (DV) assigned to Coast Guard Dive Locker West, prepares for a dive 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 1st Class Adam Eggers)