This diminutive jet is a Folland Gnat T Mk 1 trainer. It is a two-seat development of the Folland Fo.141 Gnat fighter. The prototype Gnat fighter first flew in 1955. Folland's objective was to make an effective but small and inexpensive fighter for export. The Air Ministry of Britain ordered six Gnats for trial use. The type was not accepted into service with the RAF but, later, the RAF selected the two-seat version as its advanced trainer. The single-seat fighter was also sold to Finland (13 aircraft), Yugoslavia (2), and India (40) where 215 aircraft were also built under licence between 1962 and 1974. The trainer was used by the RAF until its retirement in 1978. The Folland Gnat is also known as the "Pocket Fighter".