Keywords: m240b machine gun m240bmachinegun 673rd security forces squadron 673rdsecurityforcessquadron live fire livefire joint base elmendorf-richardson jointbaseelmendorfrichardson alaska united states unitedstates us pattern lines minimalism abstract texture Strips of 7.62x51mm ball ammunition are staged for M240B machine gun live fire training at Grezelka range, Joint Base Elmendorf-Richardson, Alaska, Oct. 27, 2016. Airmen assigned to the 673rd Security Forces Squadron fired M240B machine guns to hone their proficiency. The M240B is a belt-fed, air-cooled, gas-operated, fully automatic medium machine gun with a 950 round per minute maximum rate of fire. (U.S. Air Force photo/Alejandro Pena) Strips of 7.62x51mm ball ammunition are staged for M240B machine gun live fire training at Grezelka range, Joint Base Elmendorf-Richardson, Alaska, Oct. 27, 2016. Airmen assigned to the 673rd Security Forces Squadron fired M240B machine guns to hone their proficiency. The M240B is a belt-fed, air-cooled, gas-operated, fully automatic medium machine gun with a 950 round per minute maximum rate of fire. (U.S. Air Force photo/Alejandro Pena) |