Emerald Warrior 17
An Army crew chief performs pre-flight inspections on an UH-60L Black Hawk during Emerald Warrior 17 at Hurlburt Field, Fla., March 3, 2017. Emerald Warrior is a U.S. Special Operations Command exercise during which joint special operations forces train to respond to various threats across the spectrum of conflict. (U.S. Air Force photo/Airman 1st Class Keifer Bowes)