Air Force Staff Sgt. Daniel Callens wears a gas mask as he prepares to fire an M240B machine gun as Staff Sgt. Michael Arnold, both of the 219th Security Forces Squadron, looks on at the firing range at Camp Gilbert C. Grafton, North Dakota, July 19, 2017. The Airman is performing annual weapons familiarization training and qualification for his assigned mission of missile field security at the Minot Air Force Base, near Minot,

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Photo credit: © Bob Collet / Alamy / Afripics
License: Licensed
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Keywords: 119, 219th, afb, air, america, ang, archive, armed, army, dakota, defence, fargo, force, forces, guard, military, minot, national, navy, ndang, north, reportage, security, service, serviceman, servicemen, sfs, soldier, states, united, usa, wing