Airmen assigned to the 7th Security Forces Squadron march to the Combat Arms Training and Maintenance range to begin the Top Defender Challenge March, 11, 2017, at Dyess Air Force Base, Texas. The event consists of firing, written test, room clearing, shoot, move and communication drill, self-aid and buddy care and a resupply mission to determine the best two-man team in the squadron.

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Photo credit: © Chuck Little / Alamy / Afripics
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Keywords: 7th, air, america, archive, armed, army, bomb, defence, dyess, force, forces, military, navy, reportage, security, service, serviceman, servicemen, soldier, states, united, usa, wing