Airman 1st Class Roger Hild guides the upper portion of an add-on armor kit. Airman 1st Class Roger Hild, U.S. Air Force, guides the upper portion of an add-on armor kit as it is lowered onto the cab section of an M931 truck tractor at Balad Air Base, Iraq, on Jan. 13, 2006. The add-on armor kit provides the driver and gunner added protection against weapons fire and improvised explosive devices. Hild is deployed to the 732nd Expeditionary Logistics Squadron at Balad Air Base. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 686951-U-NYU73-215.jpg Photo Gallery