180505-N-PH222-0031 PACIFIC OCEAN (May 5, 2018) Hospital Corpsman 3rd Class Rene Cruz prepares a vaccination in the medical ward aboard the San Antonio-class amphibious transport dock USS Anchorage (LPD 23) during Essex Amphibious Ready Group (ARG) and 13th Marine Expeditionary Unit (13th MEU) exercise (ARGMEUEX). ARGMEUEX enhances joint integration, lethality and collective capabilities of the Navy-Marine Corps team through joint planning and execution of challenging and realistic training scenarios. (U.S. Navy photo by Mass Communication Specialist 3rd Class Ryan M. Breeden/Released)