The Boeing KC-135 Stratotanker is an aerial refueling tanker aircraft. It has been in service with the U.S. Air Force since 1957.
Airplanes - Military - Parked - Utility
The KC-135 is derived from the original Boeing jet transport "proof of concept" demonstrator, the Boeing 367-80 (commonly called the "Dash-80"). As such, it has a narrower fuselage and is shorter than the Boeing 707 jetliner. Boeing gave the tanker the designation of Model 717