CAMP PENDLETON, Calif. (April 11, 2022) U.S. Sailors with 1st Medical Battalion, 1st Marine Logistics Group, I Marine Expeditionary Force, treat a simulated patient during a Marine Corps Combat Readiness Evaluation on Camp Pendleton, California, April 11, 2022. 1st Medical Battalion performed a MCCRE in order to assess unit effectiveness and readiness. (U.S. Marine Corps photo by Lance Cpl. Bradley Ahrens)