Sep 10, 2013

MARINE CORPS BASE CAMP PENDLETON, Calif. – Sergeant Jack Marino, a machine gun section leader with Alpha Company, 1st Battalion, 1st Marine Regiment, and a native of Martinez, Calif., adjusts a traversing and elevation mechanism before firing a Mk-19 grenade launcher during a live-fire exercise on Range 222 here, Sept. 4, 2013. The Alpha Co. Marines fired Mk-19 grenade launchers, .50 caliber machine guns, M249 squad automatic weapon and M240B medium machine guns Sept. 4 and 5 to crosstrain and refine their skills with each weapon system. Throughout the two days of shooting, the Marines were evaluated as they engaged multiple targets with each weapon system at ranges of 400 to 1,200 meters away.

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1st Marine Division