Four turbofans, mounted under 35-degree swept wings, power the KC-135 to takeoffs at gross weights of up to 322,500 pounds. A cargo deck above the refueling system can hold a mixed load of ...

The Boeing KC-135, nicknamed Stratotanker is an aerial refueling aircraft that has been in continuous service with the USAF for over 60 years with over 800 examples of the C-135 series built.