Flight line Friday: BRRRT edition Published July 10, 2020 By Airman 1st Class Jacob T. Stephens 355th Wing Public Affairs DAVIS-MONTHAN AIR FORCE BASE, Ariz. -- A U.S. Air Force A-10 Thunderbolt II sits on the flight line at Davis-Monthan Air Force Base, Arizona, July 10. 2020. The 30 mm GAU-8/A seven-barrel Gatling gun is the primary armament of the A-10. (U.S. Air Force photo by Airman 1st Class Jacob T. Stephens)