The plan would put a strip along the southern border under Pentagon control, allowing the military to detain migrants for trespassing on a military base until Border Patrol agents could arrest them.

It marks an escalation in the president’s use of the military to facilitate his sweeping immigration agenda. A 60-foot wide strip of land along three southwestern border states will be placed under the jurisdiction of the U.

President Trump justified the use of the military by saying the United States is "under attack from a variety of threats."