U.S. Air Force Senior Airmen Leland Hastings, with the 919th Special Operations Security Forces Squadron, provides security for a mock deployment situation which injured Airmen are found, given medical care, and extracted as a part of Emerald Warrior, Hurtlburt Field Air Force Base, Fla., May 2, 2014. Emerald Warrior is an annual, joint exercise to train special operations, conventional and partner nation forces in combat scenarios designed to hone special operations air and ground combat skills, and is the Department of Defense's only irregular warfare exercise. (U.S. Air Force photo by Senior Airman Justyn M. Freeman/Released)