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DOW Support to the Southern Border

Spotlight
A Marine uses a tie gun on coiled wire sitting on the ground outdoors near vehicles parked by a tall wall.

Tie-Gun Task

Marine Corps Lance Cpl. Christian Koch, a combat engineer assigned to Joint Task Force Southern Border, uses a tie gun to secure triple-strand concertina wire during barrier reinforcement operations in Douglas, Ariz., Friday, April 17, 2026.

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