Marine Corps Sgt. Cody Olson, a main battle tank repairer/technician with Combat Logistics Battalion 24, 24th Marine Expeditionary Unit, assembles an M2 .50-caliber heavy machine gun on an M88A2 Hercules Armored Recovery Vehicle during an exercise Feb. 8, 2015. U.S. Marine Corps photo by Sgt. Devin Nichols Marine Corps Sgt. Cody Olson, a main battle tank repairer/technician with Combat Logistics Battalion 24, 24th Marine Expeditionary Unit, assembles an M2 .50-caliber heavy machine gun on an M88A2 Hercules Armored Recovery Vehicle during an exercise Feb. 8, 2015. U.S. Marine Corps photo by Sgt. Devin Nichols SHARE: Download: Full Size (3.76 MB) Credit: VIRIN: 698257-D-XGR58-263.jpg Photo Gallery