U.S. Army Cpl. Terrence Patterson, a crew member assigned to B Company, 5th Battalion (General Support) Aviation, 159th Aviation Regiment, observes a sling load during a training mission at Felker Army Air Field, Fort Eustis, Va., Nov. 18, 2015. During a sling load mission, cargo, which weighed approximately 8,700 pounds, is picked up by a clevis hook, tightened and lifted off the ground by a CH-47 Chinook. (U.S. Air Force photo by Senior Airman Breonna Veal)