 Iranian support for Pakistan dates back to the 1960s when Iran supplied Pakistan with American military weaponry and spare parts after America cut off their military aid to Pakistan.After 1971 Indo-Pakistani War, new Prime minister Zulfikar Ali Bhutto immediately withdrew Pakistan from CENTO and SEATO after Bhutto thought that the military alliances failed to protect or appropriately assist Pakistan and instead alienated the Soviet Union.A serious military cooperation between took place during the Balochistan insurgency phases against the armed separatist movement in 1974–77.