Pentagon Approves Troop Surge As Border Security Mission Expands

Border security operations are receiving a significant boost as thousands of U.S. troops prepare to deploy in response to directives from the Trump administration. Defense Secretary Pete Hegseth authorized the latest deployment on Friday — sending up to 3,000 active-duty service members to reinforce operations along the U.S.-Mexico border.

The new deployment will feature a Stryker Brigade Combat Team — a mobile unit designed for rapid response — and an aviation battalion that will assist with aerial surveillance. Soldiers from Fort Carson, Colorado, will make up a large portion of the personnel involved in this effort. Officials say these forces will strengthen existing security measures alongside federal border enforcement teams.

This latest action follows a similar move in January — when 1,500 troops were sent to support National Guard units already positioned at the border. Those forces joined an estimated 2,500 Reserve and National Guard members working to manage security concerns in key crossing areas.

Stryker combat vehicles are also being mobilized as part of this effort. These armored transport units — built for tactical mobility and equipped with defensive weaponry — are being shipped to Arizona and other border zones. Military planners expect them to play a role in strengthening infrastructure security.

Mexico has also taken steps to tighten border controls — with National Guard units deployed near Tijuana under orders from President Claudia Sheinbaum. Her administration has been engaged in negotiations with President Donald Trump regarding trade and migration policies.

With troops set to arrive in the coming weeks — military officials say the situation will continue to be monitored, and further deployments could be considered if necessary.