Cpl. Alexander J. Mattson, a tropospheric scatter radio

Cpl. Alexander J. Mattson, a tropospheric scatter radio operator with Alpha Company, 8th Communication Battalion, II Marine Expeditionary Force, sets up a network to allow himself and others to communicate and share data via satellite from a Secure Mobile Anti-jam Reliable Tactical Terminal during 8th Comm.’s field exercise aboard Camp Lejeune, N.C., March 9, 2015. The unit’s mission is to provide single channel radio, voice and data service to any unit it is attached to. (U.S. Marine Corps photo by Cpl. Justin T. Updegraff/Released)