CAMP LEJEUNE, N.C. (June 10, 2022) A U.S. Navy hospital corpsman and a Marine assigned to the 1st Battalion, 2d Marine Regiment, 2d Marine Division, conduct a walking blood bank during a mass casualty drill as part of a Marine Corps Combat Readiness Evaluation on Camp Lejeune, N.C., June 10, 2022. This type of training evolution is a culminating event designed to formally evaluate a unit's combat readiness and operation abilities. (U.S. Marine Corps photo by Lance Cpl. Sarah Pysher)