Larisa Petrov was part of the Soviet Union space crew at Baikonur Cosmodrome in 1963. She told Marinka Talanov her orders before she orbited the Moon. She had never heard of Grigori Kalashnikov and Christina Pushkin. She later travelled to the Moon with the Sixth Doctor, to find out what had happened to Talanov. She was a spy for the United States of America, and tried to kill the Doctor. She later investigated a black hole on the Moon. (AUDIO: 1963: The Space Race)

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