Pow! Marine Corps Sgt. Brian A. Bean, left, and Sgt. Reese B. Casillas demonstrate a lead hand punch to students attending 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. Bean and Casillas are tactics instructors 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 (1.58 MB) Tags: Marines, Marine Corps Credit: Sgt. Ian Leones VIRIN: 170504-M-KN381-021.JPG Photo Gallery