India and Japan deepen security cooperation

Japanese prime minister Sanae Takaichi visited New Delhi on July 3, 2026 for the India‑Japan annual summit with Indian prime minister Narendra Modi. The talks were framed around strengthening economic‑security and defence cooperation, with both sides using the meeting to update and expand their strategic agenda.

The summit underscored how economic and security issues are increasingly interconnected in the bilateral relationship. Discussions linked technology, supply chains and defence collaboration as areas where India and Japan intend to work more closely together.

Summit documents and reporting highlighted semiconductors, critical minerals, artificial intelligence, energy security and broader supply‑chain resilience as central themes of the economic‑security agenda. Both governments emphasised the need to safeguard access to key technologies and inputs while building more reliable production and logistics networks.

The focus on semiconductors and critical minerals reflects their role in advanced manufacturing and digital infrastructure, while artificial intelligence and energy security were treated as enabling technologies for long‑term growth. Supply‑chain resilience was presented as a cross‑cutting priority that ties these sectors together.

A major outcome of the summit was agreement to co‑develop a defence project called the Unified Complex Radio Antenna (UNICORN). This initiative was identified as the first formal India‑Japan co‑development in defence production, marking a shift from dialogue to joint hardware collaboration.

UNICORN is intended to deepen operational and industrial ties between the two defence establishments. By working on a shared platform, the partners signalled interest in moving beyond exercises and equipment sales to collaborative development.

The summit reaffirmed alignment on maritime security and referenced cooperation consistent with Quad priorities. Both sides pointed to the importance of maintaining a stable and secure maritime environment, particularly in sea lanes critical for trade and energy flows.

To support this, the leaders agreed to pursue a fourth 2+2 foreign‑and‑defence ministerial dialogue within the year. They also outlined plans to expand naval exercises, including activities involving a Japan Maritime Self‑Defense Force destroyer and an Indian Navy vessel, further institutionalising security cooperation.

By linking economic security, advanced technologies and defence projects, the summit outcomes suggest a more integrated India‑Japan partnership. The combination of UNICORN co‑development, sector‑focused economic‑security cooperation and expanded maritime activities positions the relationship as both a technological and security collaboration.

The emphasis on supply‑chain resilience and shared security mechanisms indicates that future India‑Japan engagement will likely continue to blend economic and strategic objectives. The New Delhi summit on July 3, 2026 thus marked a notable step in consolidating their role as partners in regional stability and technologically intensive industries.