Inside the machines, fortresses, and covert ideas that reshaped warfare.

Through archive footage and expert interviews, this series reveals the real stories behind wartime innovations and closely guarded secrets. From formidable submarines and massive fortification lines to trained marine mammals, each episode uncovers how technology, strategy, and ambition collide under pressure. Sign up to see war history examined from the inside out.

Episode guide

3 episodes

1Russia’s Super Sub Disaster

The Koursk, a missile-carrying nuclear submarine, was the pride of the Russian navy. No one expected problems with such a sophisticated vessel. But on August 12th, 2000, everything and everyone aboard the Koursk would plummet to the bottom of the Barents Sea.

11 min

2The Fortification War

In 1940, the world held its breath waiting to see how two innovative fortifications by the French and Germans would withstand World War II. The French’s Maginot Line was an ambitious and admired concept of its day. To compete, Hitler launched the construction of his own wall, the Siegfried Line.

16 min

3Dolphin Soldiers

Dolphins are intelligent and have advanced memory skills allowing them to easily learn commands. With sonar, dolphins can locate objects underwater even in poor visibility. Humans have been fascinated by them for centuries, especially those in the military who wanted to turn them into weapons.

12 min

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