1) Fictional submarine 
The `Roaring Heaven`, the suffix, `号` (gō), simply denotes the object as a ship, also known in the West as Atragon, is a submarine battleship that has appeared in several tokusatsu films of Toho Company, Ltd., beginning with Atragon in 1963. It was first conceived by author Shunrō Oshikawa in his 1899 novel Kaitei Gunkan (`Undersea Battle...