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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 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 missile was a three-stage, solid-fuelled system, capable of carrying up to eight W76 warheads in the Mark 4 RB. The first eight Ohio -class submarines were armed with Trident I missiles. Twelve James Madison - and Benjamin Franklin -class submarines were also retrofitted with Trident I missiles, which replaced older Poseidon missiles.
The American large SSBN was the Ohio class, also called the "Trident submarine", with the largest SSBN armament ever of 24 missiles, initially Trident I but built with much larger tubes for the Trident II (D-5) missile, which entered service in 1990. [26] [27] The entire class was converted to use Trident II by the early 2000s. 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. It was followed by Trident I in 1979, and Trident II in 1990.
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: 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
LONDON (Reuters) -Britain's Trident nuclear-deterrent system misfired during a test last month, sending a missile crashing into the ocean off the Florida coast near the submarine that launched it ...