寂静之战 The Silent War

The story of the underwater war between US, UK and Soviet submarines in the second half of the 20th century. 　　Part 1: Know Your Enemy 　　For decades, Britain and America's Cold War submarines waged a secret war of espionage against the Soviet navy. Deep in the ocean, crews were locked in a game of cat and mouse as each side battled to gain the tactical and technological advantage. ...