Looks like the US military is now in control of the Southern Border as of rtfn.
NATIONAL SECURITY PRESIDENTIAL MEMORANDUM/NSPM-4 MEMORANDUM FOR THE SECRETARY OF DEFENSE THE SECRETARY OF THE INTERIOR THE
www.whitehouse.gov
"Through Executive Order 14167 of January 20, 2025 (Clarifying the Military’s Role in Protecting the Territorial Integrity of the United States), I assigned the Armed Forces of the United States the military missions of repelling the invasion and sealing the United States southern border from unlawful entry to maintain the sovereignty, territorial integrity, and security of the United States. This memorandum provides additional guidance on securing the southern border to the heads of certain executive departments......"
(c) The Secretary of Defense may determine those military activities that are reasonably necessary and appropriate to accomplish the mission assigned in Executive Order 14167 and that are necessary to protect and maintain the security of military installations, consistent with section 2672 of title 10, United States Code, and the longstanding authority of a military installation commander to exclude persons from a military installation, as recognized in section 21 of the Internal Security Act of 1950 (50 U.S.C. 797) and 18 U.S.C. 1382.