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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.
Under the agreement, the United Kingdom paid an additional 5% of their total procurement cost of $2.5 billion to the US government as a research and development contribution. [7] The total cost of the Trident program thus far came to $39.546 billion in 2011, with a cost of $70 million per missile. [8]
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.
The Trident II submarine-launched ballistic missile (SLBM) can be armed with up to eight W88 warheads (Mark 5 re-entry vehicle) or twelve 100 kt W76 warheads (Mark 4 re-entry vehicle), but it is limited to eight warheads under the Strategic Offensive Reductions Treaty.
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A Trident II missile, operated exclusively by the US Navy and Royal Navy. Each missile can carry up to 12 warheads. [1] A multiple independently targetable reentry vehicle (MIRV) is an exoatmospheric ballistic missile payload containing several warheads, each capable of being aimed to hit a different target.