Fluid Fillup Air Force Staff Sgt. Benjamin Wiest tops off the hydraulic fluid in a KC-135 Stratotanker before a flight at Rickenbacker Air National Guard Base, Ohio, June 1, 2023. SHARE: Download: Full Size (2.41 MB) Tags: national guard, air force Credit: Air Force Senior Master Sgt. Ralph Branson VIRIN: 230601-Z-UU033-0001.JPG Photo Gallery