JALALABAD, Afghanistan -- U.S. Army UH-60 Black Hawk helicopter crews assigned to Task Force Tigershark, 16th Combat Aviation Brigade, 7th Infantry Division prepare for and depart for a mission at Operating Base Fenty in Jalalabad, Afghanistan, May 17, 2017. The Tigersharks are working hard to support U.S. Forces Afghanistan as part of Operation Freedom's Sentinel and Resolute Support Mission.