From Spitfire To Eurofighter 45 Years of Combat Aircraft Design, Roy Boot 1990, Airlife Publishing Ltd., , p.85 To illustrate, in May 1966, an S.2 launched from HMS Victorious in the Irish Sea, performed a low-level simulated nuclear weapon toss on the airfield at Gibraltar and returned to the ship, a 2300 miles trip The aircraft had an all-weather operational capability provided by the pilot's head-up display and Airstream Direction Detector, for example, and the observer's navigation systems and fire control radar.