U.S. Navy Hospital Corpsman Asia Rankin, Emergency Medical Force Detachment D, Camp Pendleton, secures a simulated patient for transport while U.S. Navy Petty Officer 2nd Class Christopher Burgoa, EMF Det. B, Camp Pendleton, directs the team toward a simulated Battalion Aid Station here June 23, 2018. March Air Reserve Base hosted members from the U.S. Navy, Air Force Reserve and California Air National Guard during MegaCode 2018, a biennial joint medical exercise designed to enhance communication and full spectrum medical readiness. (U.S. Air Force photo by 2nd Lt. Russell S. McMillan/Released)