Japan-U.S. Alliance has an important relation with the security of North-East Asia. After cold war, Japan-U.S. Alliance takes some transformations in order to adapting the new environment. The most important differences of Japan-U.S. Alliance than before are that Japan speaks a loud word in the alliance and enlarging the boundary defense of the alliance. After this transformation, Japan-U.S. Alliance is becoming more and more active in the security of North-East Asia. This transformation says that Japan-U.S. Alliance not only has a strategy to dominant North-East Asia, but also has an ambition to manage the world.Adjustment of the Japan-US alliance after the Cold War, On the one hand, the consolidation of the Japan-US alliance, Inhibition of Japan off the American credentials, To curb the possibility of Japan to re-take the road of militarism. On the other hand, The adjustment of the Japan-US alliance have a major impact on security in Northeast Asia. Both hot-spot issues in Northeast Asia and in promoting relations between countries of Northeast Asia countries interact, From the effect of objective practice, Japan-US alliance plays an active and constructive role, Japan-US alliance is an important factor in maintaining peace in Northeast Asia situation. |