Sgt. Jeffrey C. Senger, a machine gunner with Special

Sgt. Jeffrey C. Senger, a machine gunner with Special Purpose Marine Air-Ground Task Force - Southern Command, fires his M4 carbine on a Table 3 unknown distance range during pre-deployment training at Range K-501 aboard Marine Corps Base Camp Lejeune, North Carolina, March 16, 2017. The training was conducted to enhance the Ground Combat Element’s readiness for future security cooperation operations in Central America. (U.S. Marine Corps photo by Cpl. Melissa Martens/ Released)