The second phase of the Indo-French naval exercise, christened as Varuna 19.2, brought together a French nuclear attack warship, currently deployed in the Indian Ocean, and an Indian submarine."Organised under the operational control of the French Joint Forces Commander in the Indian Ocean (ALINDIEN), this exercise was an opportunity to reinforce our capabilities for joint action in a critical and strategic field while demonstrating the high level of interoperability achieved," according to a statement issued by the French Embassy.Training was held for more than 35 hours of submarine combat. The high-level exercises allowed both crews to be trained in detection, tracking and plunge attack while maintaining control over maritime areas and their environment.As part of Varuna 19.1, which included the participation of the French Navy's aircraft carrier FNS Charles de Gaulle, the French submarine had already conducted an exercise with an Indian submarine for a period of seven hours."Varuna