Marine Corps Sgt. Justin Diaz, a machine gunner with Combat Skills Training School, 1st Marine Logistics Group, I Marine Expeditionary Force, teaches students during a live-fire training exercise, at Camp Pendleton, California, Feb. 18, 2022. Combat Skills Training School provides sustainment training in combat skills such as how to operate, maintain, and troubleshoot crew-served weapons for Marines assigned to machine gun teams throughout the 1st MLG in order to develop technical proficiency and maintain combat readiness.

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Photo credit: © NB/TRAN / Alamy / Afripics
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Keywords: 1st, marines, mlg, sailors, usmc, usn