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SNCASO SO 9000 Trident
SNCASO · Mixed-Propulsion High-Speed Research Aircraft · France · Early Jet (1946–1969)
France's ambitious mixed-propulsion interceptor combining two wingtip-mounted turbojets with a central SEPR rocket. Reached Mach 1.6 and 15,000 m in testing. Three built. Development of the Trident technology fed into France's later delta-wing interceptor programmes. Represented France's post-war drive for aviation independence.