A group of disputed islands, known as Senkaku in Japan and Diaoyu in China. File photo: Kyodo
Chinese nuclear attack submarine that raised flag in international waters may have been testing Japan’s patrol capabilities
China’s Shang-class is a new type of attack submarine equipped with ship-to-ship missiles that have a maximum firing range of 40 kilometres as well as torpedoes
A group of disputed islands, known as Senkaku in Japan and Diaoyu in China. File photo: Kyodo
