She was the largest battleship ever built, and she was sailing toward certain death.

The Last Sortie of the Yamato: Japan's Floating Fortress Meets Its End

Operation Ten-Go and the Suicide Mission of the World's Largest Battleship

Japan's mightiest battleship sailed on a suicide mission to Okinawa and was annihilated by American aircraft in two hours.

The morning fog lifted over the Bungo Strait on April 6, 1945, revealing the impossible bulk of the Yamato as she slipped toward the open sea. At 72,000 tons fully loaded, with nine 18.1-inch guns capable of hurling shells the weight of small automobiles over twenty miles, she was the largest and most powerful battleship ever constructed. Now, with barely enough fuel for a one-way voyage, she was sailing toward Okinawa on a mission everyone aboard knew was suicide.

Vice Admiral Seiichi Itō had argued against the operation. In the wardroom of the Yamato, he had confronted his superiors with brutal logic: without air cover, the fleet would be annihilated before reaching Okinawa. But the Imperial Japanese Navy's leadership was beyond logic now. The Emperor himself had reportedly asked whether the Navy had any remaining ships to sacrifice. Honor demanded an answer.

By the afternoon of April 7—recorded in American logs as May 27 Tokyo time due to the International Date Line—American scout planes had found her. What followed was the largest air-sea battle of the Pacific War's final chapter. Wave after wave of Hellcats, Helldivers, and Avengers descended upon the Japanese task force. Th…

💡 The Yamato carried only enough fuel for a one-way trip—the plan was for surviving crew to beach the ship and use her guns as shore artillery, then fight as infantry.