Civil War Submarine | Secret Weapon of the Confederacy

Secret Weapon of the Confederacy : How did the earliest wartime submarine operate? ➡ Subscribe: About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what’s possible. Get More National Geographic: Official Site: Facebook: Twitter: Instagram: Civil War Submarine | Secret Weapon of the Confederacy National Geographic