Marines with 2d Combat Engineer Battalion, 2d Marine Division, throw a smoke grenade while breaching concertina wire during the Sapper Leaders Course on Camp Lejeune, North Carolina, May 11, 2022. The Sapper Leaders Course provides combat engineer squad leaders with the technical and tactical proficiency required to provide mobility, counter mobility and survivability to infantry company commanders. ( Marine Corps photo by Lance Cpl. Ryan Ramsammy)

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Photo credit: © APFootage / Alamy / Afripics
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Keywords: 2dmardiv, apobs, barbed, breaching, demo, sappers, wire