Lockheed TriStar (RAF)
The RAF Tristar is a retired air-to-air refuelling (AAR) tanker and transport aircraft, formerly in service with the Royal Air Force (RAF). All airframes were second-hand Lockheed L-1011-500 TriStars converted from airliners previously operated by British Airways and Pan American World Airways (Pan Am); they entered service with the RAF in 1984.