Marines load an M1A1 Abrams tank onto a seven-bay raft system during exercise Iron Wolf at Camp Lejeune, N.C., July 10, 2017. Exercise Iron Wolf is one of the largest exercises conducted this year at Camp Lejeune, integrating 16 different units from II Marine Expeditionary Force to train for realistic scenarios. The Marines are with 8th Engineer Support Battalion and 2nd Tank Battalion. (U.S. Marine Corps photo by Cpl. Luke Hoogendam) - Marines load an M1A1 Abrams tank onto a seven-bay raft system during exercise Iron Wolf at Camp Lejeune, N.C., July 10, 2017. Exercise Iron Wolf is one of the largest exercises conducted this year at Camp Lejeune, integrating 16 different units from II Marine Expeditionary Force to train for realistic scenarios. The Marines are with 8th Engineer Support Battalion and 2nd Tank Battalion. (U.S. Marine Corps photo by Cpl. Luke Hoogendam)