Open Access

Abstract

National defence - security is an especially important field for a nation in any age of time. In the case of Japan, this national defence - security problem pretty differs from that one in other countries. The paper focuses on studying the national defence – security policy of Japan within and after the Cold War, under Japan - US strategic security mechanism in order to understand the changes in aims , solutions and implementing the national defence – security policy of Japan in conditions of international and regional change.Begun with presenting the national defence - security policy of Japan in Cold War time, the paper pays attention into making clear some essential changes in the national defence – security policy of Japan , that was devided into 2 periods : 1991 -2001, 2001 - todays and rapidly increasing growth of the Self Defence Forces of Japan.