U.S. Marine Corps Staff Sgt. Giovanni Vicencio, a chemical biological radiological nuclear specialist chief with II Marine Expeditionary Force Headquarters Group, assists a Midshipman in donning a M50 joint service general purpose mask prior to chemical biological radiological and nuclear defense training during Career Orientation for Midshipmen (CORTRAMID) on Camp Lejeune, N.C., July 28, 2015. The purpose of CORTRAMID is to expose midshipmen to opportunities in the Fleet Marine Forces and generate interest in pursuing a Marine Corps commission. (U.S. Marine Corps photo by Cpl. Allison DeVries, MCIEAST-MCB CAMLEJ Combat Camera/Released)