Marine 1st Lt. Aaron Walker, an infantry officer with 2nd Battalion, 6th Marine Regiment, fires an M27 Infantry Automatic Rifle during a fire and maneuver exercise for a Security Element Enablers Course (SEEC) aboard Marine Corps Base Camp Lejeune, North Carolina, July 19, 2021. The SEEC trains Marines and sailors in combat-oriented skills that will help support the 22nd Marine Expeditionary Unit’s assault element during its upcoming deployment.

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Keywords: 2, 22d, 2nd, 6th, battalion, camp, expeditionary, force, infantry, lejeune, marine, mef, meu, regiment