The fourth national defense area created along the US-Mexico border will be an extension of Marine Corps Air Station Yuma in the Sonora Desert.

The military has established a fourth defense zone along the U.S. border with Mexico — creating a strip of land in Arizona ...

The New York Times reports Defense Department officials say migrants will be temporarily detained by troops in a portion of ...

According to a press release from the U.S. Air Force, NDAs are "designed to support the Department of Defense's ongoing ...

The Defense Department is expanding its border role with a new military zone near Yuma, aiming to boost surveillance as ...