the war. On contacting Bill Baird, then in charge of PR at de Havilland at Hatfield, he discovered that the company had used it as the design centre for the Mosquito, and that Baird had squirrelled the original prototype away in the Fiddlebridge stores, just off the airfield at Hatfield. Having resisted several calls to burn the aircraft, Baird was delighted to find someone who could offer the old aircraft a home. de Havilland carried out basic restoration work at Hatfield, and Goldsmith accepted the aircraft back at Salisbury Hall in 1959. Prototype Mosquito The prototype Mosquito became the first aircraft to be displayed at Salisbury Hall, and was followed by examples of the de Havilland Vampire and Venom in 1968. In 1970, the collection was joined by a further example of the de Havilland Mosquito, which had been donated by Liverpool Corporation, following its use in the film Mosquito Squadron. The collection was later expanded, with examples of the single-seat Vampire, Sea Venom, Sea Vixen, Chipmunk and Dove all arriving by 1978. Additionally, the fuselage of a Mosquito FB6 arrived in 1976; it is now the only survivor of the most numerous sub-type to be preserved in Europe. The museum houses the fuselage of the last surviving square-windowed de Havilland Comet 1, the world's first jet airliner. Later history The supporters' society has been responsible for the restoration and conservation of many of the exhibits, starting with the Chipmunk in 1978, an airframe which was subsequently restored by members once more between 2003 and 2007. The supporters were also active in building a hangar to house the ex-Liverpool Mosquito in 1980, and then completely restoring the aircraft, a task they completed in 1990. The supporters' society has also been responsible for work on a Tiger Moth, Hornet Moth, Mosquito 6, Heron, Dove, several Vampires and many other aircraft in the collection. In 2001, it was recognised that the prototype Mosquito was in dire need of conservation work. This work was supported by BAE Systems. and the Heritage Lottery fund. The prototype Mosquito restoration was completed in December 2015 almost to the minute of its 75th anniversary. It is now on display with the other two Mosquitos in the Walter Goldsmith Hangar. In January 2016 the museum opened a new hangar initially named the Geoffrey de Havilland Hangar. This hangar was later renamed the Amy Johnson Hangar when the new