Master Sgt. Mathew Quinlan, 124th Security Forces Squadron flight chief, Boise, Idaho, and Air National Guard Defender’s Challenge team member, jokes with a combat arms instructor before the start of the combat weapons competition during the Air Force Defenders Challenge 2018 at Camp Bullis, San Antonio, Texas, Sept. 11, 2018. Shooting is an essential skill for all combat ready Airmen, especially for the SFS.

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Photo credit: © Bob Collet / Alamy / Afripics
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Keywords: 2018, air, america, archive, armed, army, challenge, competition, defence, defenders, force, forces, guard, guardsmen, military, national, navy, reportage, security, service, serviceman, servicemen, soldier, states, united, usa