Airmen receive a mission briefing before participating in Emerald Warrior 17 at Hurlburt Field, Fla., Feb. 28, 2017. The airmen are assigned to the 9th Special Operations Squadron. Emerald Warrior is a U.S. Special Operations Command exercise in which joint special operations forces train to respond to threats across the spectrum of conflict. Air Force photo by Staff Sgt. Corey Hook