Marksmanship Training Marine Corps Staff Sgt. Jeffrey C. Senger, right, assesses the marksmanship of a student taking the Marine Advisor Course at Marine Corps Base Camp Lejeune, North Carolina, May 4, 2017. The Marines conducted the final rehearsal exercise of the course to assess students' readiness to train foreign security forces during their upcoming deployment to Central America. Senger is a chief instructor with the Ground Combat Element, Special Purpose Marine Air-Ground Task Force - Southern Command. The Marine Advisor Course is taught by the Marine Corps Security Cooperation Group. Marine Corps photo by Sgt. Ian Leones SHARE: Download: Full Size (1.86 MB) Tags: marines, marine corps Credit: Sgt. Ian Leones VIRIN: 170504-M-KN381-024.JPG Photo Gallery