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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 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.
The Ohio class was designed in the 1970s to carry the concurrently designed Trident submarine-launched ballistic missile. The first eight Ohio-class submarines were armed at first with 24 Trident I C4 SLBMs. [6] Beginning with the ninth Trident submarine, Tennessee, the remaining boats were equipped with the larger, three-stage Trident II D5 ...
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.
Lockheed Martin (LMT) clinches a $10.9-million contract to support the fiscal 2023 Trident II (D5) missile production schedule.
The UK Trident programme was announced in July 1980 and patrols began in December 1994. Trident replaced the submarine-based Polaris system, in operation from 1968 until 1996. Trident is the only nuclear weapon system operated by the UK since the decommissioning of tactical WE.177 free-fall bombs in 1998.
Trident: US Lockheed Martin Space Systems: 7,400 km 33,142 kg 8x 100 kt Inactive 1977 Yes Ohio-class submarine: 380 m < 26 Atlas [Note 5] US Consolidated Vultee Aircraft (Convair) 14,500 km 117,900 kg Inactive 1959 No 27 Titan I: US Glenn L. Martin Company: 10,200 km 105,140 kg 3.75 Mt Inactive 1959 No Silo 28 Titan II: US Glenn L. Martin Company
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.