POP SMOKE

U.S. Air Force Staff Sgt. Christopher Hahn, the 824th Expeditionary Base Defense Squadron combat arms noncommissioned officer in charge, supervises a Forces Armèes Nigeriennes soldier throwing an M18 smoke grenade at Nigerien Air Base 201, Niger, Dec. 15, 2018. Hahn provided training to U.S. Airmen and Nigerien partners on cover, concealment, tactical movements, and safety to increase partner interoperability. (U.S. Air Force Photo by Staff Sgt. Daniel Asselta)

POP SMOKE

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