RAF Coningsby is a fighter base located in Lincolnshire, hosting 228 ocu’s Phantoms from 1968 joined by 111 squadrons air defense Phantoms in 1974. These were replaced by 29 squadron’s Tornado F3’s in 1987, joined by 5 squadron in 1988. These were subsequently replaced by the Typhoons of 17 squadron in 2007. The base is currently home to 4 Typhoon squadrons, Nos 3[F], XI, 29[R] and 41[R]TES. Coningsby has also been the home of the Battle of Britain Memorial Flight since 1976.