U.S. service members assigned to Joint Task Force-Southern Border participate in a transfer of authority ceremony between the 1st Combat Engineer Battalion, 1st Marine Division, and Combat Logistics Battalion 7, 1st Marine Logistics Group, at Fort Huachuca, Ariz., April 15, 2026. The transfer of authority ceremony is a formal event signifying the transfer of command and operational duties between an outgoing and incoming unit. U.S. Northern Command is working side-by-side with the Department of Homeland Security and the U.S. Customs and Border Protection within narrowly defined authorities to provide unique military capabilities to protect the territorial integrity of the U.S. southern border. (Dept. of War video by U.S. Marine Corps...
FORT HUACHUCA, Ariz.—Joint Task Force–Southern Border (JTF-SB) marks its one-year anniversary, March 14, 2026. This milestone highlights JTF-SB's first 365 days of executing agile, full-scale, and partner-focused missions in support of the Department of Homeland Security’s (DHS) southern border mission.