An Amphibious Assault Vehicle with 2nd Assault Amphibian Battalion engages simulated enemy targets during a qualification course during Heavy Brigade Combat Team training at Camp Lejeune, N.C., 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. (U.S. Marine Corps photo by Cpl. Samuel Guerra/Released) - An Amphibious Assault Vehicle with 2nd Assault Amphibian Battalion engages simulated enemy targets during a qualification course during Heavy Brigade Combat Team training at Camp Lejeune, N.C., 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. (U.S. Marine Corps photo by Cpl. Samuel Guerra/Released)

Marines assigned to the Security Cooperation Marine Air Ground Task Force, Africa Partnership Station 10, board the welldeck of USS Gunston Hall (LSD 44) by way of Amphibious Assault Vehicles as the ship heads south to Haiti. The SCMAGTF was diverted to assist with relief efforts following an earthquake that struck Haiti. - Marines assigned to the Security Cooperation Marine Air Ground Task Force, Africa Partnership Station 10, board the welldeck of USS Gunston Hall (LSD 44) by way of Amphibious Assault Vehicles as the ship heads south to Haiti. The SCMAGTF was diverted to assist with relief efforts following an earthquake that struck Haiti.