U.S. Navy Seaman Deontae Carter with Assault Craft Unit 4 guides a Medium Tactical Vehicle Replacement truck during an Amphibious Warfare Certification exercise on Onslow Beach, Camp Lejeune, N.C., March 13, 2014. U.S. Marines with 10th Marines, 2nd Marine Division conducted 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)