Air Force Senior Airman Robert Riley, 20th Security Forces Squadron combat arms instructor, identifies parts of the M4 carbine during combat arms training at Shaw Air Force Base, , March 8, 2016. Before students are able to shoot in the range, they receive three hours of classroom instruction on weapons knowledge, safety, and shooting techniques. ( Air Force photo by Senior Airman Michael Cossaboom)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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Keywords: #airforce, #airmen