Weapon System U.S. Army Spc. Stephen Morris, from 2nd Squadron, 17th Cavalry Regiment, troubleshoots a faulty magnetic round counter on an aviation-modified .50-caliber M2 weapon system from an OH-58D Kiowa helicopter at Forward Operating Base Warrior, Iraq, June 24, 2006. SHARE: Download: Full Size (0.1 MB) Credit: VIRIN: 323148-C-AMC39-329.jpg Photo Gallery