Thousands of U.S. and Mexican troops are at the border. Here’s where they are and what they’re doing.
The Mexican National Guard has set up checkpoints to search vehicles while U.S. troops assist border officials ...
Rapid warfare tech helps U.S. Army build on lessons learned in Ukraine's war with Russia
We’ve got to get faster at staying competitive with the technology that’s changing,” Sgt. Maj. of the Army Michael Weimer told NBC News.