One of the oldest refueling tanker aircraft in the U.S. Air Force inventory, the KC-135R Stratotanker, flown by the 914th Air Refueling Wing, Niagara Falls Air Reserve Station, N.Y. recently refueled the newest refueling aircraft model, the KC-46A Pegasus flown by the 157th ARW, Pease ANGB, N.H.