Japan's nationalization of the Senkaku Islands in the East China Sea has sparked security tensions in the region for the past 10 years, prompting Tokyo, known for its pacifist Constitution, to be acutely wary of military threats from Beijing.Japan has administered the Senkakus, but China has claimed the uninhabited islets since the early 1970s, calling them Diaoyu, after studies by the United Nations indicated there may be potentially lucrative gas reserves around them.On Sept. 11, 2012, the Japanese government of then Prime Minister Yoshihiko Noda put the islands under state control, five …READ FULL ARTICLE