It is obvious that the security environment in East Asia is more unstable and unpredictable. In the South China Sea, tensions over disputed islands initiate a more severe Sino–American rivalry. In the East China Sea, China disputes the control over the Senkaku Islands, and is escalating military activities around those islands. North Korea continues provocative activities including launching of ballistic missiles and nuclear weapons tests. This naturally leads to the idea that Japan needs to play a larger role to restore stability in the international order. This paper explores the challenges facing East Asian security in the face of the passage of Japan's new security bills in 2015 and how they impact the future of Japanese security policy.
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