Pentagon creates new military border zone in Arizona

The U.S. Navy will control a new national defense area established across 140 miles of the U.S.-Mexico border in Arizona, the Pentagon announced Wednesday.

The new NDA will become an extension of Marine Corps Air Station Yuma and be sited near the Barry M. Goldwater Air Force Range.

The announcement comes just days after the creation of another national defense area in Texas. In these zones, military personnel install barriers and signage, conduct patrols and stop and detain trespassers, who they transfer to the custody of law enforcement...