An Air Force AC-130W Scorpion II aerial gunner reloads 30mm ammunition in a flight during Emerald Warrior 2013 on Hurlburt Field, Fla., April 24, 2013. The annual tactical exercise is designed to leverage lessons learned from operations Iraqi and Enduring Freedom to provide trained and ready forces to combatant commanders. U.S. Air Force photo by Senior Airman Matthew Bruch