Marine Corps Staff Sgt. Heather D. Geotsch, left, a chemical biological, radiological and nuclear threat specialist, II Marine Expeditionary Force, conducts a class on the proper way to wear a M50 joint service general purpose mask during Career Orientated Training for Midshipmen (CORTRAMID) Marine Week, Camp Lejeune, , July 25, 2017. The purpose of CORTRAMID is to expose students to opportunities in the Fleet Marine Forces and generate an interest in a Marine Corps commission. ( Marine Corps photo by Cpl. Judith L. Harter)

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