The United States Envoy was a key figure in a peace conference sometime during Margaret Thatcher's tenure as Prime Minister of the United Kingdom. He was trusted by his own people, the Americans, and also the Russians and the Chinese. He was kidnapped by Cybemen and Karl. He was a fan of Crystal's music. He was interrogated by the Daleks. He was used by the Daleks to destroy the peace conference which would instate a state of emergency and start a war. (AUDIO: The Ultimate Adventure)

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