Air Force Tech. Sgt. David Jensen, center, a combat arms instructor assigned to the 673rd Security Forces Squadron, delivers a safety brief before conducting M240B machine gun live fire training at Grezelka range, Joint Base Elmendorf-Richardson, Alaska, Oct. 27, 2016. The security forces Airmen fired M240B machine guns to hone their proficiency. The M240B is a belt-fed, air-cooled, gas-operated, medium machine gun that fires a cartridge. ( Air Force photo/Alejandro Pena)

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Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
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Keywords: 673rd, air, airforce, fire, force, forces, gun, live, m240b, machine, military, security, squadron, states, united, usa