Zircon (satellite)

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Zircon was the codename for a British signals intelligence satellite, designed to intercept radio and other signals from the USSR, Europe and other areas. It was intended to be launched in 1988 on a NASA space shuttle. However, the project was cancelled in 1987 because of its cost. Secrecy about the project's cost, hidden from the British Parliament, resulted in the Zircon affair.