EMERALD WARRIORS Airmen prepare a range for an AC-130 gunship live-fire mission during Emerald Warrior 2015 on Camp Shelby, Miss., April 22, 2015. The airmen are combat controllers assigned to the 21st Special Tactics Squadron. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 562060-O-YZB73-551.jpg Photo Gallery