Members of the U.S. Coast Guard make their way to the 73rd Transportation Company U.S. Army tugboat MG Winfield Scott to participate in a joint casualty evacuation exercise at Fort Eustis, Va., Oct. 21, 2015. The exercise involved teaching and exchanging techniques in hoisting a patient from a vessel to a helicopter for immediate medical transport while at sea. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)