Marines with combat cargo prepare to move supplies while conducting a replenishment-at-sea during Amphibious Ready Group Marine Expeditionary Unit Exercise off the coast of North Carolina, Dec. 9, 2016. ARGMEUEX is a three-week long integrated exercise at sea in which Marines and Sailors train together to prepare for an upcoming deployment with the 24th Marine Expeditionary Unit. (U.S. Marine Corps photo by Cpl. Hernan Vidana)