
To play this content JavaScript must be turned on and the latest Flash player installed.
Japan has announced a major reconfiguration of its defence forces to address new security challenges.
The cabinet said China's military rise was a source of international concern and described North Korea as a grave factor of instability.
China said Japan was making irresponsible remarks.
Alexander Neill is head of the Asia Programme at the Royal United Services Institute.
First broadcast 17 December 2010
BBC © 2012 The BBC is not responsible for the content of external sites. Read more.
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.