Machine Gunner Marine Corps Lance Cpl. Andrew Campbell fires a M240B machine gun during a Marine expeditionary unit exercise in support of Weapons and Tactics Instructor course 2-17 at Marine Corps Air Station Yuma, Ariz., April 14, 2017. Campbell is a machine gunner assigned to 2nd Battalion, 6th Marine Regiment, 2nd Marine Division. Marine Corps photo by Cpl. AaronJames B. Vinculado SHARE IMAGE: Download Image: Small (194.56 KB)| Medium (737.28 KB)| Full Size (1.43 MB) Tags: training, MARINE CORPS, MARINES Photo By: Cpl. AaronJames Vinculado VIRIN: 170414-M-FS068-0558A.JPG Photo Gallery