Reinforcement Ops
Marine Corps Lance Cpls. Allen Tomb, left, and Dylan Lindsey, assigned to Joint Task Force Southern Border, weld prefabricated brackets onto the southern barrier during reinforcement operations in Naco, Ariz., May 20, 2026. U.S. Northern Command is working side-by-side with the Department of Homeland Security and the U.S. Customs and Border Protection to provide unique military capabilities to protect the territorial integrity of the U.S. southern border.