The Boeing B-29 Superfortress is a four-engine propeller-driven heavy bomber designed by Boeing and was flown primarily by the United States during World War II and the Korean War.
A deck gun is a type of artillery cannon mounted on the deck of a ship or submarine.
The Imperial Japanese Navy (IJN; Kyūjitai: 大日本帝國海軍 Shinjitai: 大日本帝国海軍 or 日本海軍 Nippon Kaigun, literally "Navy of the Greater Japanese Empire") was the navy of the Empire of Japan from 1868 until 1945, when it was dissolved following Japan's defeat and surrender in World War II.
A torpedo tube is a cylinder shaped device for launching torpedoes.
World War II (WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, though related conflicts began earlier.