From The Internet Movie Plane Database
The Bell X-2 was a research aircraft built to investigate flight characteristics in the Mach 2-3 range. It was developed to provide a vehicle for researching flight characteristics in excess of the limits of the Bell X-1 and D-558 II, whilst investigating aerodynamic heating problems in what was then called the 'thermal thicket'. The Bell X-2 had a prolonged development period due to the advances needed in aerodynamic design, high-temperature resistant materials to be used, and technologies that had to be developed. Not only did the X-2 push the envelope of manned flight to speeds, altitudes and temperatures beyond any other aircraft at the time, it pioneered throttleable rocket motors and digital flight simulation. Two aircrafts completed a total of 20 flights from 27 June 1952 to 27 September 1956.
This page lists all films that feature a variation of the Bell X-2.