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Marines fire an M777 howitzer high-explosive round during an integrated training exercise at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., July 30, 2017. (Cpl. Justin M. Smith/Marine Corps)
Marines fire an M777 howitzer high-explosive round during an integrated training exercise at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., July 30, 2017. (Cpl. Justin M. Smith/Marine Corps)