Japanese Admirals Boasted Yamato Was Unsinkable Until 300 U.S. Planes Sent It To The Bottom Discover how ⚓ the mighty Japanese battleship *Yamato*—the largest warship ever built—met its fiery end on April 7, 1945, in one of World War II’s most dramatic naval confrontations. 🇯🇵 Once the pride of the Imperial Japanese Navy, Yamato symbolized Japan’s dream of naval supremacy with her 18.1-inch guns, unmatched firepower, and colossal 72,000-ton frame. Yet her final mission, Operation Ten-Go, was a