India has successfully test-fired a long-range intercontinental ballistic missile (ICBM), the country's Defense Ministry said Thursday. The nuclear-capable Agni-V is believed to be India's most advanced ICBM. It was fired Thursday morning India time from Abdul Kalam island off the coast of the eastern state of Odisha, the ministry said in a tweet. It called the test a "major boost" to the country's defense capabilities.