U.S. Marine Corps Lt. Col. Tyrone Barrion, left, commanding officer of Task Force Sapper, and Lt. Col. Colin Graham, commanding officer of Task Force Forge, discuss their mission at the southern border barrier in preparation for a unit rotation in support of Joint Task Force-Southern Border, in the Yuma Sector, July 12, 2025. Task Force Forge comprises 500 Marines and Sailors from Combat Logistics Battalion 15, 1st Marine Logistics Group, I Marine Expeditionary Force, tasked to support the Joint Task Force-Southern Border mission with engineering and logistics capabilities. Joint Task Force-Southern Border executes full-scale, agile, and all-domain operations in support of U.S. Customs and Border Protection to protect the territorial integrity of the United States and achieve 100% operational control of the southern border. (U.S. Marine Corps photo by Sgt. Mary Torres)