The Strategic Forces Command of the Army will test-fire Agni-III from the Wheeler Island, off the Odisha coast, on Wednesday morning.
The two-stage surface-to-surface missile, which uses solid propellants, is 17-metres in length, weighs about 50 tonnes and has a diameter of two metres. It can cover a distance of 3,000 to 3,500 km in about 14 minutes. It can carry a nuclear warhead weighing about 1.5 tonnes.
The Army has already deployed Agni-I, Agni-II and Agni-III missiles. All of them can carry nuclear warheads.