Six KC-135 Stratotankers taxi down a runway Aug. 7, 2005 at McConnell Air Force Base, Kan. The base received its first tanker from Rickenbacker AFB, Ohio, on June 31, 1971 which initiated what is now 44 years of uninterrupted KC-135 operations at McConnell. (U.S. Air Force photo/Airman 1st Class Laura Suttles)