Its ambitions to be a maritime power in East Asia have led it to concentrate on upgrading its air force and navy.

ECONOMIST: China

In response, Tokyo has moved to increase military spending for the first time in a decade and Mr Abe recently embarked on a diplomatic offensive in South East Asia, where several nations are also embroiled in maritime disputes with China.

BBC: Japan envoy meets Chinese leader amid islands dispute

And looking ahead to the East Asia Summit, they addressed a range of issues, including maritime security.

WHITEHOUSE: Press Briefing