BAGRAM AIRFIELD, Afghanistan -- U.S. Army AH-64 Apache, CH-47 Chinook and UH-60 Black Hawk helicopter crews assigned to Task Force Flying Dragon, 16th Combat Aviation Brigade, 7th Infantry Division train at Bagram Airfield, Afghanistan, April 1, 2017. The Flying Dragons are preparing to assume their mission with U.S. Forces Afghanistan in support of Operation Freedom's Sentinel and Resolute Support Mission.