Sgt. Garrett Mellor, a gunner with Delta Company, 1st Light Armored Reconnaissance Battalion, scouts targets for a call for fire during Exercise Desert Scimitar aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., May 13, 2014. Mellor, from Arlington, Texas, operates a M242 25mm cannon, an M240B machine gun and two 4-barrel smoke grenade launchers. (U.S. Marine Corps photo by Lance Cpl. Angel Serna)
Lance Cpl. Angel Serna
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