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News: The Indian Navy conducted a high-profile Passage Exercise (PASSEX) with the United Kingdom’s Carrier Strike Group in the North Arabian Sea on June 9 and 10.
About Passage Exercise (PASSEX), 2025

- PASSEX refers to joint naval drills conducted between friendly navies when they cross each other during deployments.
- The PASSEX 2025 between India and U.K. was held in the North Arabian Sea.
- Contingents involved: The Indian Navy deployed INS Tabar, a submarine, and a P-8I maritime patrol aircraft, which operated alongside the UK’s Carrier Strike Group led by HMS Prince of Wales and accompanied by HMS Richmond.
- The exercise involved coordinated anti-submarine operations complex tactical manoeuvres, integrated helicopter operations and a professional exchange of naval officers.
- Significance
- It enhances interoperability, communication, and strategic cooperation at sea.
- It demonstrates the deepening cooperation between the Indian Navy and the Royal Navy, showcasing a shared commitment to maritime security and robust bilateral ties.



