A U.S. Navy Special Boat Team 20 Sailor climbs a ladder into a U.S. Army 5-159th General Support Aviation Battalion CH-47 Chinook during a training exercise at Fort Eustis, Va., April 11, 2014. The training increased the range of effectiveness for naval assets by utilizing aviation units to carry special warfare teams and their watercraft from one point to another. (U.S. Air Force photo by Senior Airman Teresa J.C. Aber/Released)