Video by Sgt. Chase Murray Player Embed Code: Download Embed Share 1st Battalion 12th Infantry Regiment patrols southern border near Sierra Blanca DoD Southern Border 2025 March 31, 2025 | 1:00 U.S. Soldiers, from 3rd Platoon, Bravo Company, 1st Battalion, 12th Infantry Regiment, assigned to Joint Task Force-Southern Border, conduct a dismounted squad patrol along the southern border outside of Sierra Blanca, Texas, March 31, 2025. Under the direction of U.S. Northern Command, Joint Task Force – Southern Border aligns efforts to seal the southern border and repel illegal activity and is responsible for full-scale, agile, and all-domain operations, which will allow for more effective and efficient DoD operations. (U.S. Army video by Sgt. Chase Murray)