About 450 U.S. Marines were deployed to the Joint Task Force-Southern Border in Yuma, Arizona, this month to boost security along the southern border.
Pfc. Tanner F. Rubio, 21, died Dec. 3 following a tactical training vehicle mishap.
The activation comes as part of the Corps' Force Design 2030 recalibration toward agile logistics in the contested island chains of the Pacific.
About 150,000 eligible beneficiaries can enroll for the demonstration program during open season.
Load More