Operation Swallow: The Battle for Heavy Water

A factual reconstruction of the sabotage events which took place to prevent Hitler's Germany from getting the heavy water needed to make an atomic bomb during the Second World War.

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Release Date	February 5, 1948
Status	Released
Original Title	Kampen om tungtvannet
Runtime	1h 47min
Budget	—
Revenue	—
Language	English, Norwegian, Russian, German
Original Language	Norwegian
Production Countries	France, Norway
Production Companies	Le Trident Hero-Film