Marines with 3rd Assault Amphibian Battalion transport infantrymen on the beach using assault amphibious vehicles during the Marine Corps Combat Readiness Exercise for 1st Battalion, 5th Marine Regiment, at Marine Corps Base Camp Pendleton, Calif., Feb. 4, 2014. The vehicles can transport platoons of Marines to inland objectives and support them with moderate firepower in the assault. (U.S. Marine Corps photo by Sgt. Jacob H. Harrer / released)