, later renamed was the first ironclad warship of the Imperial Japanese Navy. Built in France in 1864 for the Confederate States Navy as CSS Stonewall, and acquired from the United States in February 1869, she was an ironclad ram warship. She had a decisive role in the Naval Battle of Hakodate Bay in May 1869, which marked the end of the Boshin War, and the complete establishment of the Meiji Restoration. Her sister ship Cheops was sold to the Prussian Navy, becoming the Prinz Adalbert.