Chagai 1 is the code name given to the five underground nuclear tests conducted by Pakistan at 1515 hrs PST on 28 May 1998. The tests were performed at the Ras Koh Hills in the Chagai District of the Balochistan Province of Pakistan.
The Chagai 1 the first public nuclear tests operation of Pakistan is considered a milestone in the history of Pakistan that was conducted in a direct response to India's second nuclear tests, Operation Shakti, on 11 and 13 May 1998. Nuclear weapon testing by Pakistan and India resulted in a variety of economic sanctions on both states by a number of major powers, particularly the United States and Japan. With the performance of the simultaneous atomic testing of the five nuclear devices, Pakistan, thus became the seventh nuclear power in the world to successfully develop and publicly test nuclear weapons, despite the international fury.
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