Combat controllers from the 21st Special Tactics Squadron fast-rope from a CV-22 Osprey during Emerald Warrior near Hurlburt Field, Fla., April 21, 2015. Emerald Warrior is the Department of Defense's only irregular warfare exercise, allowing joint and combined partners to train together and prepare for real-world contingency operations.
U.S. Air Force photo by Staff Sgt. Jonathan Snyder/Released
2014-04-21
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