Rolls-Royce Spey Mk 202 historical low-bypass turbofan model under the canonical Spey family. Rolls-Royce Military Aero Engines records 20,500 lbf (91.2 kN) thrust with reheat for the military Mk 202; Rolls-Royce also records the 1970s transfer of Mk 202 production rights to China, establishing a distinct licensed-production and technology-lineage boundary. The exact FGR.2 Phantom installation is preserved; current lifecycle remains unknown.