The Boeing KC-135 Stratotanker is a military aerial refueling aircraft designed and built by Boeing. It is a four-engine, mid-wing, jet-powered aircraft that is capable of carrying up to 83,000 pounds of fuel and can refuel other aircraft in mid
From Wikipedia
The Boeing KC-135 Stratotanker is an American military aerial refueling tanker aircraft that was developed from the Boeing 367-80 prototype, alongside the Boeing 707 airliner. It has a narrower fuselage and is shorter than the 707. Boeing gave the aircraft the internal designation of Model 717, with the number later assigned to a different Boeing aircraft.