The Pentagon Sends 3,000 Troops to US-Mexico Border Washington, 2 Mar (ONA) --- The Pentagon is sending about 3,000 more active-duty troops to the US-Mexico border as US President Donald Trump seeks to clamp down on illegal immigration and fulfill a central promise of his campaign, US officials said. US Defense Secretary Pete Hegseth has ordered elements of a Stryker brigade combat team and a general support aviation battalion for the mission, the Pentagon announced ...