9 Most Lethal Attack Submarines - #3 Strikes Fear into Naval Forces

9. Kalvari-class

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India’s Kalvari-class submarines, based on the French Scorpène design, demonstrate significant conventional submarine warfare capabilities. These vessels feature advanced automation systems that reduce crew requirements while maintaining high combat efficiency. The submarine’s SUBTICS combat management system provides superior target tracking and weapon control, supported by both active and passive sonar arrays. The vessel incorporates advanced stealth features, including acoustic dampening tiles and a specially designed propeller to minimize cavitation noise.