U.S. Marine Corps Cpl. Tristian Zimmerman, left, and Cpl. Jeremiah Egre-Contreras, both cryptologic linguists with Alpha Company, 1st Radio Battalion (RADBN), I Marine Expeditionary Force Information Group, operate a VMAX backpack system during a field exercise at Marine Corps Base Camp Pendleton, California, May 28, 2020. (U.S. Marine Corps / Cpl. Dalton S. Swanbeck)
