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The Trident missile is a submarine-launched ballistic missile (SLBM) equipped with multiple independently targetable reentry vehicles (MIRV). Originally developed by Lockheed Missiles and Space Corporation , the missile is armed with thermonuclear warheads and is launched from nuclear-powered ballistic missile submarines (SSBNs).
The W76-0 had a design yield of 100 kt while its replacement the W76-1 has a yield of 90 kt. The W76-2 has an estimated yield of 5 to 7 kt. [16] The W76-0 was fitted inside a Mk4 reentry vehicle (reentry body in US Navy parlance) while the W76-1 and -2 are fitted inside the new Mk4A reentry vehicle. Reentry vehicle and warhead weight is ...
The second requirement asked for an alternative to the C-4, or a new Trident II missile with a larger first-stage motor than the C-4. The U.S. Navy conducted studies to determine whether the more expensive Trident II could be constructed similarly to the US Air Force's MX ICBM, primarily to decrease budget costs
1.2 Mt Inactive 1961 No Silo 30 Minuteman II: US Boeing 10,200 km 33,000 kg 1.2 Mt Inactive 1965 No Silo 31 LGM-118 Peacekeeper: US Boeing, Martin Marietta, TRW, 14,000 km 96,750 kg 10x 300 kt Inactive 1983 Yes Silo 120 m 32 Midgetman: US Martin Marietta: 11,000 km 13,600 kg 475 kt Inactive 1992 No Small ICBM Hard Mobile Launcher [5] 90 m 33 ...
The value of an egg-shaped primary lies apparently in the fact that a MIRV warhead is limited by the diameter of the primary—if an egg-shaped primary can be made to work properly, then the MIRV warhead can be made considerably smaller yet still deliver a high-yield explosion—a W88 warhead manages to yield up to 475 kt with a reentry vehicle ...
Several small and lower yield warheads cause much more target damage area than a single warhead alone. This, in turn, reduces the number of missiles and launch facilities required for a given destruction level – much the same as the purpose of a cluster munition. [15] With single-warhead missiles, one missile must be launched for each target.
Labour has called for assurances over Britain’s nuclear deterrent after reports that a Trident missile test failed for the second time in a row. Trident: The ins and outs of Britain’s nuclear ...
Test launch of a Trident II missile. Trident II D-5 is a submarine-launched ballistic missile built by Lockheed Martin Space Systems in Sunnyvale, California, and deployed by the US Navy and the Royal Navy. [122] The British government contributed five per cent of its research and development costs under the modified Polaris Sales Agreement.