Tag Archives: I-400

Finding I-400: How It Happened and Why That Matters

Finding I-400: How It Happened and Why That Matters

An image of the I-400 submarine. Hawai'i Undersea Research Laboratory Photo

An image of the I-400 submarine. Hawai’i Undersea Research Laboratory Photo

Last week the media around the world carried stories about the rediscovery of the Japanese super-submarine I-400. One of the more unique submarines of the past century—part aircraft carrier, part submarine—she inspired books, television documentaries, and a years-long quest to find exactly where it had come to rest in a postwar weapons test designed to keep it from Soviet eyes. Read More