161025-N-BL637-259 PACIFIC OCEAN (Oct. 25, 2016) A Helicopter Maritime Strike Squadron (HSM) 78 “Black Hawks” MH-60R Sea Hawk Helicopter prepares to take off from the aircraft carrier USS Carl Vinson (CVN 70) flight deck. Carl Vinson is underway conducting Composite Training Unit Exercise (COMPTUEX) off the coast of Southern California. (U.S. Navy Photo by Petty Officer 3rd Class Sean Castellano/Released)