Watch as U.S. Marines Secure the Border near San Ysidro, California

Watch as U.S. Marines with 1st Combat Engineer Battalion, 1st Marine Division, deploy concertina wire along the southern border wall near San Ysidro, California on Feb. 12, 2025. U.S. Northern Command is working together with the Department of Homeland Security with the emplacement of physical barriers to add additional security that will curtail illegal border crossings. #usa #marines #border (Footage provided by Lance Cpl. Diego Berumen)