First broadcast: on BBC Two HDLatest broadcast: on BBC Four HD
Documentary. After decades of silence, British, American and Russian submariners talk about the secret war of espionage waged beneath the waves during the Cold War. Show more
First broadcast: on BBC Two HDLatest broadcast: on BBC Four HD
Documentary. Cold War submariners talk more openly than ever before to reveal how the underwater arms race took ballistic missiles beneath the Arctic ice. Show more