An Amphibious Assault Vehicle with 2nd Assault Amphibian Battalion engages simulated enemy targets during a qualification course during Heavy Brigade Combat Team training at Marine Corps Base Camp Lejeune, North Carolina, April 5, 2016. The training allows the unit to strengthen their working relationship and maintain weapons proficiency to remain being a reliable asset for amphibious operations. - An Amphibious Assault Vehicle with 2nd Assault Amphibian Battalion engages simulated enemy targets during a qualification course during Heavy Brigade Combat Team training at Marine Corps Base Camp Lejeune, North Carolina, April 5, 2016. The training allows the unit to strengthen their working relationship and maintain weapons proficiency to remain being a reliable asset for amphibious operations.