The Asia-Pacific region presents a challenge to international security in the post-Cold War era. Doubts as to the US'' military commitment, concern with Japan''s security aspirations, build-up of military capabilities and the nuclear ambitions of North Korea have further heightened tension.

The Asia-Pacific region presents a challenge to international security in the post-Cold War era. Doubts as to the US'' military commitment, concern with Japan''s security aspirations, build-up of military capabilities and the nuclear ambitions of North Korea have further heightened tension.