The Cold War - In Enemy Depths

The Cold War saw a deadly underwater battle, with over 20 collisions between U.S. and Soviet submarines, just the visible part of a hidden conflict. The ocean depths became the most ruthless frontier between East and West. This documentary uncovers newly revealed secrets from both militaries, exposing the high-stakes world of submarine espionage, a war that still quietly continues today. AKA Hinter den feindlichen Linien - Geheimoperationen im Kalten Krieg.