Player Embed Code: <iframe width='500' height='300' scrolling='no' frameborder='0' style='border: none; overflow: hidden; width: 500px; height: 300px;' allowtransparency='true' src='https://www.dvidshub.net/video/embed/950579'></iframe> Download Embed Share U.S. Marines reinforce southern border barrier to assist CBP with border security mission DoD Southern Border 2025 Jan. 27, 2025 | 4:32 U.S. Marines, with 1st Combat Engineer Battalion, 1st Marine Division, reinforce the southern border barrier near San Ysidro, Calif., Jan. 27, 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. (U.S. Marine Corps video by Cpl. Logan Courtright)