"Thruster SC" is a supersonic aircraft designed and manufactured by the British. It is powered by two fighter turbofan engines and is specially used to break the world land speed record, so it is usually referred to as LSR for short.
Thrust SC introduction
ThrustSSC SC is a jet-powered vehicle designed by RichardNoble, a very famous British veteran in LSR field, and RonAyers, a retired aerodynamics expert of British land-based air defense missiles.
Two military versions of Speymk series turbofan engines were originally used in PhantomII fighters of the Royal Air Force as power sources, including SpeyMk202, which was originally used to test the basic stability of vehicles with small output, and SpeyMk205, which was actually used for official speed measurement.