Marine Corps 1st Lt. James Koehler left, an infantry officer, directs Lance Cpl. James Driscoll, a gunman, both with Regimental Surveillance and Target Acquisition Company (RSTAC), 1st Marine Division, during a live fire drill at Fort Irwin, Calif., Oct. 3, 2017. RSTAC is an experimental company designed to build proficiency in scout sniper operations for service level exercises.

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Keywords: 1st, air, america, archive, armed, army, defence, field, force, forces, fort, irwin, mardiv, marines, military, navy, operations, reportage, rstac, service, serviceman, servicemen, sniperfex, snipers, soldier, states, training, united, urban, usa