Tech. Sgt. Dan Robison loads 30mm ammunition into an A-10 Thunderbolt aircraft. Tech. Sgt. Dan Robison, U.S. Air Force, loads 30mm ammunition into an A-10 Thunderbolt aircraft at Bradley Air National Guard Base, Conn., on Jan. 7, 2007. Robison is assigned to the Connecticut Air National Guard's 103rd Maintenance Squadron. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 655755-Y-JFR29-335.jpg Photo Gallery