CAMP LEJEUNE, N.C. (Oct. 18, 2021) U.S. Marines with 1st Battalion, 2d Marine Regiment, 2d Marine Division, board a landing craft utility on Camp Lejeune, N.C., Oct. 18, 2021. The Marines participated in amphibious and company-level infiltration across multiple locations as part of Strip Map, a specialized evaluation used to determine the efficacy of experimental ground formations. (U.S. Marine Corps photo by Cpl. Elijah J. Abernathy)