161026-N-GZ228-122 PACIFIC OCEAN (Oct. 26, 2016) Seaman Olen Harris signals the pilot of an MH-60S Sea Hawk, assigned to the “Blackjacks” of Helicopter Sea Combat Squadron (HSC 21), to take off from the flight deck of amphibious assault ship USS Boxer (LHD 4) during an ammunition offload. Boxer is currently underway conducting routine operations off the coast of Southern California. (U.S. Navy photo by Petty Officer 3rd Class Jesse Monford/Released)