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.
Updates include sex-neutral requirements for all combat MOS Marines to score a minimum of 210 out of a possible 300.
By Bridget Craig
Pfc. Tanner F. Rubio, 21, died Dec. 3 following a tactical training vehicle mishap.
The incident occurred during routine training aboard the base, the service announced.
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