Lance Cpl. Jake Silvio, a team leader with Kilo Company, 3rd Battalion, 25th Marine Regiment, ties off a sandbag while working on a machine gun fighting position during a company defense range at Camp Grayling, Mich., Aug. 13, 2018. Camp Grayling, the largest National Guard center in the country covering 147,000 acres, offers many large artillery, mortar, tank ranges and maneuver courses. ( Marine Corps photos by Cpl. Niles Lee)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: 18, 25th, 3/25, 3rd, battalion, company, defense, javelin, marforres, marine, marineforcesreserve, marines, mfr, mfrnorthernstrike18, northern, northernstrike18, readiness, regiment, reservist, strike, training