Deep Sea Detectives
Season 2, Episode 14: The Confederacy's Secret Weapon
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It was the first submarine ever to sink an enemy ship, but after only one successful mission the H.L. Hunley vanished with its crew and lay hidden for more than a century. The circumstances surrounding the disappearance of the Confederacy’s secret weapon have remained an enduring mystery since the Civil War era, but now NGC has uncovered what may have brought it down.
All Episodes - Season 2
Episode 1
U-Boats in the Gulf!
Episode 2
Sinking on the St. Lawrence
Episode 3
Death by Human Torpedo
Episode 4
Graveyard of Ships
Episode 5
Death in the Pacific
Episode 6
Destroyer Down
Episode 7
The Lost Tanks of D-Day
Episode 8
Explosion at Sea
Episode 9
Secret Underwater Caves
Episode 10
D-Day Minesweeper
Episode 11
Time Bomb of the Deep
Episode 12
Underwater Train Wreck
Episode 13
Death in the Mediterranean
Episode 14
The Confederacy's Secret Weapon
Episode 15
Pearl Harbor's Revenge
Episode 16
Mystery Sinking in Bermuda
Episode 17
Mystery U-Boat of World War I
Episode 18
Tugboat Down!
Episode 19
Cruiser Under Siege
Episode 20
Ship of Doom
Episode 21
Sinking by Sabotage