India Pakistan Tension: All About The S-400 Defence System Used By India To Neutralise Pak Missiles

India Pakistan Tension: All About The S-400 Defence System Used By India To Neutralise Pak Missiles The Indian Air Force used the Russian-made S-400 missile defence system to negate Pakistan's escalation bid last night. Pakistan's attempted military action against India comes a day after the Indian armed forces' carried out precision strikes at four terrorist camps in Pak and five in Pak-occupied Kashmir, or PoK. Click here for Operation Sindoor Live Updates The S-400 missile defence system used by India to intercept the attack is considered one of the deadliest surface-to-air missiles or SAM in the world.