A Landing Craft Air Cushion with Assault Craft Unit 4, transports U.S. Marines with 2nd Amphibious Assault Battalion during an Amphibious Warfare Certification exercise on Onslow Beach, Camp Lejeune, N.C., March 13, 2014. The exercise was conducted to strengthen the units proficiency in an amphibious environment. (U.S. Marine Corps photo by Cpl. Nicholas T. Nohalty, 2nd MARDIV, Combat Camera/Released)