CAMPO, Calif. — Approximately 170 Marines from Camp Pendleton have been deployed to Campo to install concertina razor wire along the border wall, working in challenging conditions with ...

The additional concertina wire can be seen on the border fence in Nogales, Ariz, on February 4, 2019. U.S. Army troops were back in downtown Nogales over the weekend to add more coils of the wire.

U.S. Army troops with the 16th Military Police Brigade install razor wire atop the U.S.-Mexico border wall just east of the DeConcini Port of Entry in Nogales. More than 5,600 active-duty troops ...