Japan has made submarines for the first time in the controversial Chinese sea, spreading tension in the international arena. Meanwhile, most of China's Panisima claims that the exercise will excite Beijing.
Japan's Asahi Shimbun reported that the submarine named Kuroshia with the three warships of Japan on Thursday in the south-west of China-controlled Scarborah Sohal. Besides, it is known as the first submarine war in Japan in the South China Sea.
It is to be noted that most of the South China Sea has claimed itself as Beijing. Besides, Brunei, Malaysia, Philippines, Taiwan and Vietnam are also claiming this water cycle.