PERSIAN GULF (April 13, 2008) Aviation Warfare Systems Operator 3rd Class Deric Parsoneault jumps out of an MH-60S Seahawk assigned to the "Blackjacks" of Helicopter Sea Combat Squadron (HSC) 21 during search and rescue swimmer training in the Persian Gulf. HSC-21 is deployed aboard the amphibious assault ship USS Tarawa (LHA 1) and is conducting exercises in the U.S. 5th Fleet area of responsibility. U.S. Navy photo by Mass Communication Specialist Seaman David A. Brandenburg (Released)