Captain Scarlet and the Mysterons

Point 783 (1x13)

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A modern super-tank, the Unitron, a deadly computer-assisted vehicle, is seized by the Mysterons to destroy the Supreme Commander of the Earth Forces, when he is escorted by Captain Blue to the tanks' testing range field in the Sahara desert. Two of the Commander's highest-ranking officers, Colonel Storm and Major Brooks, while en route to the SHEF headquarters, are killed in an explosive collision in a mountain-integrated tunnel, involving their car and a gasoline tanker truck, and reconstructed by the Mysterons to carry out the threat.