56:11

The Sunken Mystery Of The USS Lagarto | Lost & Found: The Search For A US Submarine | Timeline

1:11:26

World Leaders in Wartime: Augustus the Strong, Elector of Saxony

55:17

The 60-Year Hunt For A Sunken WW2 Submarine | USS Lagarto

28:00

The RIDICULOUS Steam Submarine: The K-Class Failure

21:59

The Evolution of The Rocket Engine

20:55

US Navy Next-Gen Attack Submarine is a Nightmare for China

42:15

Hell Below - Episode 4: Atlantic Showdown | Free Documentary History

30:33

“How to Hide an Empire”: Daniel Immerwahr on the History of the Greater United States