THUNDERBOLT FORMATION Three A-10C Thunderbolt IIs fly in formation beside a KC-135 Stratotanker, April 27, 2010, during an aerial refueling mission over Southern Arizona. The A-10 pilots are assigned to the 358th Fighter Squadron at Davis-Monthan Air Force Base, Ariz. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 650636-M-SGT67-490.jpg Photo Gallery