Washington, April 11 -- US President Joe Biden and Japan's PM Kishida Fumio agreed on Wednesday to dramatically modernise their bilateral security partnership by changing the US military command structure in Japan and announced a new networked architecture for missile defence between the two countries and Australia.

The import of the announcements, which will ensure better military coordination in the Indo-Pacific, reflected the focus by Washington and its partners to keep a watch on China. Biden described the announcements as the most significant upgrade in their alliance.

The two leaders also agreed to deepen military industrial cooperation including co-production of weapons, work on critical and emerging technologies, involve Japan in ...