Tank Tweaks Air Force Senior Airman Jacqueline Wilson performs maintenance on an external fuel tank for an F-16 Viper at Shaw Air Force Base, S.C., July 16, 2021. SHARE IMAGE: Download Image: Full Size (1.98 MB) Tags: Air Force Photo By: Air Force Airman 1st Class Destani Matheny VIRIN: 210715-F-BT860-877M.JPG Photo Gallery