Officials conducted exercises with Black Hawk and Chinook helicopters, and military trucks, highlighting tactical strength.

In a bid to deter migrants from crossing into the United States, Texas Governor Greg Abbott has declared a state of emergency ...

Abbott ordered National Guard to bar federal agents from ... has strung across a 29-mile section of the border around Eagle Pass. Now the Texas National Guard has barred Border Patrol agents ...

The Trump Administration has suggested the expanded federal military effort at the border may be modeled on "Operation Lone Star," a Texas National Guard mission that's been underway for four years.

DHS could request up to 10,000 troops to help with efforts along the U.S.-Mexico border, according to an internal Border Patrol memo obtained by ABC News.

Law enforcement officials and migrants on the U.S.-Mexico border were not sure what might come next, now that President Trump ...

Throughout former President Joe Biden’s tenure, Abbott often sparred with the federal government over illegal immigration. At one point last year, Abbott engaged in a standoff with federal officials ...

Months later, the Texas National Guard seized control of Shelby Park in Eagle Pass, an area considered a “hot spot” for border crossings, which fronts about 2.5 miles of the Rio Grande.