A U.S. Air Force combat medic treats a simulated wound in an Army CH-47 Chinook helicopter during Emerald Warrior 14 at Hurlburt Field, Fla., May 3, 2014. Emerald Warrior is a U.S. Special Operations Command-sponsored two-week joint/combined tactical exercise designed to provide realistic military training in an urban setting. (U.S. Air Force photo by Senior Airman Colville McFee)