The Army has arrived along the U.S.-Mexico border and are moving swiftly to ready for the oncoming “caravan” by laying miles of razor war to steer the thousands of migrants to legal crossings where tent cities are to be erected to hold them.

According to an eyewitness report, troops and trucks are delivering construction equipment, portable bathrooms and security to several areas along the border, the first wave of President Trump’s promise to bolster immigration enforcement with 5,000 or more soldiers.