Boatswain’s Mate 3rd Class Craig Drey tends a safety line attached to Fire Controlman 3rd Class Douglas O’Neil, surface rescue swimmer aboard guided-missile destroyer USS Mason (DDG 87), during a man overboard drill. Mason is deployed as part of the Harry S. Truman Carrier Strike Group and will be supporting maritime security operations and theater security cooperation efforts in the U.S. 6th and 5th Fleet areas of operation.