U.S. Air Force Major Scott Michalowski, left, Joint Terminal Attack Control Officer with the 227th Air Support Operations Squadron, throws an M67 high explosive frag hand grenade as Master Sgt. Walter Kienzle, Combat Arms Instructor with the 177th Fighter Wing of the New Jersey Air National Guard, checks his technique during Operation Kriegshammer training at Grafenwoehr Training Area, Germany on July 14, 2014. (U.S. Air National Guard photo by Master Sgt. Andrew J. Moseley/Released)
Master Sgt. Andrew Moseley
Taken on 14 July 2014
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