'Sir, We Lost a Nuclear Submarine': Russia's Titanium Sub Disaster (Lost Nukes)

What You Need to Know: The K-278 Komsomolets, a Soviet Mike-class nuclear-powered submarine, launched in 1983, was a technological marvel with a titanium hull that enabled it to dive deeper and run faster than its American counterparts.

However, the submarine’s tragic sinking in 1989 sparked significant concern due to the two nuclear warhead-tipped torpedoes it carried, which remain unretrieved on the Barents Sea floor.

The use of titanium in its construction represented a notable Cold War advancement...