The De Havilland Firestreak (officially code-named Blue Jay) was a British air-to-air guided missile designed to be fired from behind the target (known as a pursuit course). The Firestreak used passive infra-red homing and was designed for the destruction of high-speed bomber aircraft at high altitudes. Firestreak was the standard armament on Sea Vixen and BACLightning aircraft during the 1960's. Firestreak had a cruising speed in excess of Mach 2 and a range of 8 km. Research Firestreak
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