Marine Corps Lance Cpl. Justin W. Schrock, a low altitude air defense (LAAD) gunner with Bravo Battery, 2nd LAAD, loads an M2 .50 cal. machine gun during a machine gun range at the National Training Center in Fort Irwin, Calif., Jan. 27, 2018. Marines with 2nd LAAD conducted a machine gun range to enhance proficiency with the M240B and M2 .50 cal. machine guns and improve combat readiness. ( Marine Corps

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