India Rejects Kilo/Klub Sub & Missile Upgrades

Russia's Type 877 Kilo Class diesel-electric submarines have gained a reputation as an extremely quiet boats, and are in service with Russia (24), China (2), India (8), Iran (3), Poland, Romania and Algeria. India's Type 877EKM Sindhugosh Class submarines [S55-S62] began to travel to Russia for refits in 1997, with S58 INS Sindhuvir as the first candidate. A German-designed, Indian-built main battery has replaced the Russian batteries in all vessels, and India's submarines have also received either a Russian upgrade package of missiles, sonar, and machinery & weapon control systems, or India's indigenous Panchendriya package. The goal is to bring them closer to parity with the more advanced Type 636 Improved Kilo Class variant – S65 INS Sindhushastra, possibly S63 INS Sindhurakshak are already rumored to be at or close to that level.

Now a serious incident has put a brake on the refit program, as India has returned S62 INS Sindhuvijay to its Russian contractor, citing unacceptable performance with its new sub-launched Klub missiles. With the $1+ billion Admiral Gorshkov carrier refit already in trouble, and Russia making hostile foreign policy moves, the last thing the relationship needs is another problem – but that's what it has…

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