A U.S. Marine with 1st Battalion, 5th Marine Regiment, poses for a photo while standing next to a new main pack frame during a limited user evaluation at Marine Corps Base Camp Pendleton, Calif., July 15, 2025. Marine Corps Systems Command is conducting a nine-month survey across multiple units to assess and compare commercial frame options for the standard issue main pack. The evaluation is part of ongoing efforts to improve individual load carriage systems for operational effectiveness. (Official Marine Corps Systems Command photo by Kristiana Montanez)