The Pentagon said Wednesday it has begun deploying 1,500 active-duty troops to the southern border, putting in motion plans President Trump laid out in executive orders shortly after he took office to crack down on immigration.

The Pentagon is sending at least 1,500 active-duty troops to the southern border to enhance security and assist with a major military airlift of undocumented migrants.

The deployment signals the military’s increased role in a much more aggressive immigration policy under the second Trump administration.