U.S. Marine Corps photo by Maj. Paul Greenberg/Released 100407-M-0000M-000.jpg
Apr 7, 2010
First Sgt. Krishtian Nielson, the first sergeant for Company C, 1st Battalion, 23rd Marine Regiment in Corpus Christi, Texas creates an assessment matrix during a vulnerability assessment practical application exercise here April 7. The assignment was part of a five-day course which CRA Incorporated conducted for Marine Forces Reserve personnel.
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