sentences:  The U.S. Air Force subleased runway use rights and a heliport area of known as the Bishop Test Site from Inyo County from 15 November 1965 to 19 June 1971 and from 25 November 1980 to 30 September 1985.The Air Force used the heliport area and runway for performance testing of helicopters and other aircraft.The U.S. DoD facilities included runway expansion, fuel facilities, utilities, buildings, aircraft maintenance, hospital and barracks.