Most USAF KC-135s are of the updated KC-135R variant. Air Force to run a procurement program for the replacement of around 100 of its oldest KC-135E Stratotankers.
Boeing's revised KC-767 proposal to the USAF was selected in February 2011 for the KC-X program under the designation KC-46.ĭevelopment Commercial Derivative Air Refueling Aircraft Īt the start of the 2000s a considerable and sudden increase in their maintenance costs was leading the U.S. Financing of the development of the aircraft has largely been borne by Boeing, in the hope of receiving major orders from the USAF. The tanker was developed for the Italian and Japanese air forces, who ordered four tankers each. In December 2003, the contract was frozen and later canceled due to corruption allegations. Air Force (USAF) initially to replace older KC-135Es.
The tanker received the designation KC-767A, after being selected by the U.S. The Boeing KC-767 is a military aerial refueling tanker and transport aircraft developed from the Boeing 767-200ER.
