Boeing's C-135 Family
KC-135A Stratotanker landing at March AFB, CA in 1988.  This
KC-135 belonged to the 452nd Air Refueling Wing of the Air Force
Reserve.
EC-135 Airborne Command Post on the way up.  Main landing gear have begun retraction.
Above and below:  Some EC-135's retained the aerial refueling feature.
Above and below:  RC-135U on display at RAF Fairford.
Air Force Reserve KC-135E based at Selfridge ANGB, Michigan.
Boeing VC-137C.  This aircraft is one of two VC-137's that served as "Air Force One" for presidents Kennedy through Clinton.  This
pic was shot at Ramstein Air Base in Germany, when President Reagan was visiting.  This aircraft (27000) is now on display to the
public at the Reagan Library in California.  The other aircraft (26000) was the one that took President Kennedy to Dallas on 22
November 1963.  That particular aircraft is now on display at the National Museum of the United States Air Force in Dayton, Ohio.