A U.S. Navy fast-attack craft races by during a training exercise at Fort Eustis, Va., April 10, 2014. A 5-159th General Support Aviation Battalion CH-47 Chinook practiced loading and unloading U.S. Navy Special Boat Team 20 Sailors, simulating real-world extractions. (U.S. Air Force photo by 2nd Lt. Brooke Betit/Released)