Explained : How Air Independent Propulsion (AIP) Works!


INTRODUCTION Ever since submarines become the principal weapon of naval warfare, designers have focused on making them quieter and increasing their underwater endurance. Traditional diesel-electric submarines need to surface frequently to charge their batteries and have an underwater endurance of only a few days. As battery technology improved, the endurance of these submarines increased proportionally. […]

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Analysis : India’s Evolving Maritime Security Strategy and Force Posture


INTRODUCTION The Indian Navy’s Maritime Security Strategy document 2015 (titled ‘Ensuring Secure Seas: Indian Maritime Security Strategy’) is a precursor of India’s evolving maritime strategic thought and its proposed force posture. Together, they form important spokes in the wheel of New Delhi’s politico-military strategy (or Grand Strategy). Second, the document envisages India adopting a strategy of […]

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The Japanese Izumo-Class: An Aircraft Carrier in Disguise?


INTRODUCTION On 25 March 2015, the Japanese Maritime Self-Defense Force (JMSDF) commissioned the JS Izumo (DDH-183), lead ship of her class and the largest surface combatant of the JMSDF. Designated as a helicopter destroyer, the Izumo-class was built as an anti-submarine warfare (ASW) platform. With this new ship reinforcing the Japanese arsenal, the Chinese quickly […]

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