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Air Force Staff Sgt. Zachary Nolan, 20th Component Maintenance Squadron aerospace propulsion technician, dons his protective gear during a 20th Security Forces Squadron Combat Challenge at Shaw Air Force Base, , March 24, 2017. Airmen participating in the course arrived to a combat training facility called the “shoot house,” and were required to put on a face protector, neck guard and flak vest before firing rubber rounds.
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Photo credit: © Chuck Little / Alamy / Afripics
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