C Raja Mohan writes: A changing Asia demands more from Delhi and Tokyo, together

Japanese Defence Minister Koizumi's upcoming visit to India signals a shifting security landscape in the Indo-Pacific. Japan, once bound by self-imposed military restrictions, is now pursuing a more assertive defence policy and regional military diplomacy. This change is driven by China's growing military might and its willingness to apply it in concrete ways, both against Japan's maritime borders and India's Himalayan land disputes.

The American political climate in Washington also adds uncertainty, complicating the alliance between the two nations. However, both nations recognize the necessity of American military presence. They must therefore accelerate their own capabilities and forge stronger partnerships with each other and neighboring Asian powers.

These changes are mirrored in Japan's own transformation. Post-war, Japan's strategy focused on economic recovery while relying on American security. However, the rise of China and questions about American reliability led to a series of defence reforms in 2022. These reforms include raising defence expenditure, developing new long-range capabilities, strengthening defense production, and extending defense ties to other regional powers.

India and Japan already share a strong institutional foundation, including a 2+2 dialogue and regular military exercises. However, potential for deeper cooperation remains. Greater operational coordination in key areas, including anti-submarine warfare and maritime surveillance, is needed. Additionally, joint research, development, and co-production of military technologies must be prioritized to truly strengthen their defence partnership.

Koizumi's visit to India should serve as a platform to discuss these ambitious goals and move beyond incremental approaches towards more substantial security cooperation.