Mercury U-boat
Discover the Hazardous Secrets of U-864: The Mercury-Filled German U-Boat

Uncover the dangers of U-864, the World War II German U-boat laden with mercury, found off Norway's coast.

Japanese PT Boats
Did Japan Use PT Boats in World War II?

Discover how Japan utilized PT boats in WWII and their role in naval tactics. Learn more here!

Japan's Submarine Losses
How Many Submarines Did Japan Lose in World War II?

Discover the number of submarines Japan lost during World War II and its impact on their naval strategy.

Japan's WWII Submarines
Discover the Largest Submarines of WWII: The Japanese I-400-Class

Explore the formidable I-400-class submarines of WWII and their unique aircraft-carrying capabilities.

Untold History: US vs Japan
Did the US Actually Sink a Japanese Submarine Prior to Pearl Harbor?

Discover the historical fact behind the sinking of a Japanese submarine before the Pearl Harbor attack on December 7, 1941.