UGM-96 Trident I

The UGM-96 Trident I, or Trident C4 was an American Submarine-launched ballistic missile, 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 It was retired in 2005, having been replaced by the Trident II. In 1980, the Royal Navy requested Trident I missiles under the Polaris Sales Agreement, however in 1982, this was changed to Trident IIs. It was the first Trident missile to enter service.

The Trident I is a three-stage, solid-fuelled missile.

The first eight s were armed with Trident I missiles. Twelve James Madison-class submarine- and Benjamin Franklin-class submarines were also retrofitted with Trident I missiles, which replaced older Poseidon missiles.



Specifications

 * Purpose: strategic nuclear deterrence
 * Range: 7400 km
 * Guidance system: inertial, with Star-Sighting
 * CEP: 1250 ft (380 m)
 * Warhead: nuclear multiple independently targetable reentry vehicles (MIRV). Eight W76 (100 kt) warheads (Mark 4).

