Army Chief of Staff Gen. Mark Milley announced the assignment following the approval of the exchange last month.
Andrew Mitchell O'Brien was arrested on suspicion of sex crimes after he drove to Arkansas to meet a teenager.
About 1,000 of the 5,200 troops going to the border are in place and more are preparing to go.
Men and women on Navy ships faced the highest rates of sexual assaults in the military, according to newly released data.
The deadly riot in the U.S. Capitol on Jan. 6 attracted a variety of far-right extremists who shared a devotion to Trump.
The Humvee was stolen from a National Guard Armory in a Los Angeles suburb.
The proposal to expand military exchange shopping privileges had been expected to be finalized in late 2020.
Many survivors will see at least $400 more in their Feb. 1 annuity payments.
Typically, about half of each class washes out during the final apprentice course because of its demanding nature.