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The UGM-96 Trident I, or Trident C4, was an American submarine-launched ballistic missile (SLBM), built by Lockheed Martin Space Systems in Sunnyvale, California. First deployed in 1979, the Trident I replaced the Poseidon missile. It was retired in 2005, having been replaced by the Trident II. [2]
The first test of the Trident was on January 18, 1977 when an unarmed missile was launched from Cape Canaveral in Florida and traveled almost its full range of 4,600 miles (7,400 km), to a point in the South Atlantic Ocean near Ascension Island. [3] Trident I (designated as C4) was deployed in 1979 and retired in 2005. [4]
The warhead was initially manufactured from 1978 to 1987 and designed by Los Alamos National Laboratory.It was initially fitted to the Trident I SLBM system, but after the Rocky Flats plant where its successor the W88 was being made was shut down in 1989 after a production run of only 400 warheads, it was decided to transfer W76 warheads to Trident II.
The UGM-73 Poseidon missile was the second US Navy nuclear-armed submarine-launched ballistic missile (SLBM) system, powered by a two-stage solid-fuel rocket.It succeeded the UGM-27 Polaris beginning in 1972, bringing major advances in warheads and accuracy.
The UGM-133A Trident II, or Trident D5 is a submarine-launched ballistic missile (SLBM), built by Lockheed Martin Space in Sunnyvale, California, and deployed with the United States and Royal Navy. It was first deployed in March 1990, [ 6 ] and remains in service.
The 97th Infantry Division was a unit of the United States Army in World War I and World War II.Nicknamed the "Trident division" because of its shoulder patch, a vertical trident in white on a blue background, it was originally trained in amphibious assaults as preparation for deployment in the Pacific Theater.
At ranges less than 4,000 nautical miles the accuracy is even better. A Pentagon report to congress stated that, "Trident I missile system accuracy is now about the same as Minuteman III operational accuracy". Trident I tests during 1983 consistently achieved CEPs of 750 feet.
Trishul has a range between 300 m (980 ft) to 9 km (5.6 mi). [14] DRDO also made an enhanced 11 km (6.8 mi) range variant for the Indian Air Force. [9] It is powered by a Dual-thrust propulsion stage using high-energy solid propellant. [2] Trishul weighs 130 kg (290 lb) and is capable of carrying a 15 kg (33 lb) warhead.