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Worlds WORST NIGHTMARE  !!! US Navy Trident Missile system
Worlds WORST NIGHTMARE !!! US Navy Trident Missile system
Published: 2016/01/29
Channel: ArmedForcesUpdate
The Trident Missile System - Modern High Tech Weapons
The Trident Missile System - Modern High Tech Weapons
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Channel: Documentary Films
Trident II Documentry U.S. Intercontinental Ballistic Missile ICBM
Trident II Documentry U.S. Intercontinental Ballistic Missile ICBM
Published: 2016/07/29
Channel: World War 3
Trident Missile Launch
Trident Missile Launch
Published: 2011/10/05
Channel: Cold War Gallery
The Trident Missile System - Modern Military Weapon - Documentary TV
The Trident Missile System - Modern Military Weapon - Documentary TV
Published: 2015/08/14
Channel: Rhea Carilli
Footage of the unarmed Trident II (D5) ballistic missile being fired (P1)
Footage of the unarmed Trident II (D5) ballistic missile being fired (P1)
Published: 2012/10/29
Channel: Royal Navy
Trident II D-5 Missile Launch
Trident II D-5 Missile Launch
Published: 2012/05/28
Channel: Andurian
Declassified Trident Nuclear Film - V2466
Declassified Trident Nuclear Film - V2466
Published: 2009/06/28
Channel: talkingsticktv
AWESOME POWER us navy submarine launched Trident II D5 ICBM
AWESOME POWER us navy submarine launched Trident II D5 ICBM
Published: 2014/08/28
Channel: ArmedForcesUpdate
WHY EVEN ONE  OHIO BALLISTIC MISSILE SUBMARINES IS ENOUGH FOR NORTH KOREA?
WHY EVEN ONE OHIO BALLISTIC MISSILE SUBMARINES IS ENOUGH FOR NORTH KOREA?
Published: 2017/06/25
Channel: Defense Updates
Inside the USS Ohio a Secret Nuclear Submarine - Trident Missiles
Inside the USS Ohio a Secret Nuclear Submarine - Trident Missiles
Published: 2014/05/06
Channel: GlobalSunTimes
What is Trident? Britain
What is Trident? Britain's nuclear deterrent explained
Published: 2015/04/09
Channel: The Telegraph
Trident II launch goes wrong
Trident II launch goes wrong
Published: 2007/06/04
Channel: syrpad
Royal Navy Test Launches Trident II Nuclear SLBM [HD]
Royal Navy Test Launches Trident II Nuclear SLBM [HD]
Published: 2012/10/29
Channel: British Defence News
UFO sighting in California? US Navy says
UFO sighting in California? US Navy says 'UFO' was Trident II missile test - TomoNews
Published: 2015/11/10
Channel: TomoNews US
America
America's Thermonuclear Strike
Published: 2012/01/11
Channel: Martin Su
Top 10 Deadliest Nuclear Missiles (ICBM) in the World
Top 10 Deadliest Nuclear Missiles (ICBM) in the World
Published: 2015/03/01
Channel: Ground Zero
Bright Light Streaking Over California Was US Navy Trident Missile Test
Bright Light Streaking Over California Was US Navy Trident Missile Test
Published: 2017/02/15
Channel: DAHBOO77
11-7-2015 Best footage of UFO which is a Trident II missile  over Los Angeles LA - HD
11-7-2015 Best footage of UFO which is a Trident II missile over Los Angeles LA - HD
Published: 2015/11/08
Channel: imscammer15
The Trident Missile System - Modern Military Weapon - Documentary TV(New)
The Trident Missile System - Modern Military Weapon - Documentary TV(New)
Published: 2017/01/22
Channel: 軍事ニュース
Minuteman III ICBM Launch Animation
Minuteman III ICBM Launch Animation
Published: 2012/09/30
Channel: Donnie Merneigh
US Official Confirms Trident Missile Failure
US Official Confirms Trident Missile Failure
Published: 2017/01/23
Channel: Wochit News
Missile mayhem: UK govt accused of Trident malfunction ‘cover up’
Missile mayhem: UK govt accused of Trident malfunction ‘cover up’
Published: 2017/01/23
Channel: RT
The Disturbing Reason for the U.S. Navy’s Trident Missile Test
The Disturbing Reason for the U.S. Navy’s Trident Missile Test
Published: 2015/11/10
Channel: MLordandGod
Trident II (D5) Missile Test (2012)
Trident II (D5) Missile Test (2012)
Published: 2015/11/09
Channel: Nuclear Vault
Footage of the unarmed Trident II (D5) ballistic missile being fired (P2)
Footage of the unarmed Trident II (D5) ballistic missile being fired (P2)
Published: 2012/10/29
Channel: Royal Navy
Britain
Britain's Trident SLBM Missile Launch Fail.
Published: 2017/01/26
Channel: Odo Puiu Events
Tomahawk & Trident Missile Technology
Tomahawk & Trident Missile Technology
Published: 2015/08/19
Channel: Planes, Trains & Automobiles
Failure Of First Submarine Test Launch Of Trident II-D5 (PEM-1)
Failure Of First Submarine Test Launch Of Trident II-D5 (PEM-1)
Published: 2011/09/30
Channel: Matthew Travis
Submarine Launched US Trident Missile
Submarine Launched US Trident Missile
Published: 2007/04/06
Channel: jdstrong99
USS West Virginia test-firing Trident II SLBMs
USS West Virginia test-firing Trident II SLBMs
Published: 2014/10/14
Channel: Kill the Hippies
US Navy - Trident Missile Launch from Submarine
US Navy - Trident Missile Launch from Submarine
Published: 2010/08/10
Channel: jameskhanbond
URGENT! SECOND TRIDENT MISSILE Launched Off California Coast
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Published: 2015/11/10
Channel: The Kev Baker Show
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Trident Missile
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Channel: kieran webber
OOPS?: Britain Sub ‘Fired Unarmed Trident Missile at the United States
OOPS?: Britain Sub ‘Fired Unarmed Trident Missile at the United States
Published: 2017/01/22
Channel: Mary Greeley
USS NEVADA Trident Missile Launch
USS NEVADA Trident Missile Launch
Published: 2011/10/05
Channel: Cold War Gallery
Trident II D5 135th Consecutive Missile Test Flight
Trident II D5 135th Consecutive Missile Test Flight
Published: 2011/11/27
Channel: Collin Costello
Day & Night Trident II D5 Nuclear Missile test launch
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Published: 2011/12/21
Channel: Kevin S
What is Trident? The British Royal Navy’s nuclear submarine fleet explained - TomoNews
What is Trident? The British Royal Navy’s nuclear submarine fleet explained - TomoNews
Published: 2016/07/20
Channel: TomoNews US
Trident II (D5) Missile Launch
Trident II (D5) Missile Launch
Published: 2010/02/03
Channel: turekytex
Royal Navy
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Published: 2017/08/26
Channel: Military Diary
End Trident Now - A Video of a Trident Missile Test - www.soniaklein.com
End Trident Now - A Video of a Trident Missile Test - www.soniaklein.com
Published: 2010/03/09
Channel: truelabour
Royal Navy Test fires Trident D 5 Missile
Royal Navy Test fires Trident D 5 Missile
Published: 2011/03/07
Channel: ddog9837
Submarine Nuclear Weapons Drill At Sea
Submarine Nuclear Weapons Drill At Sea
Published: 2014/12/06
Channel: David Hoffman
Dennis Skinner - 23.01.2017 comments during The Trident Missile Test Question
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Published: 2017/01/23
Channel: SUSIEPIP
Trident Missile System Modern High Tech Weapons
Trident Missile System Modern High Tech Weapons
Published: 2015/01/01
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Footage of the unarmed Trident II (D5) ballistic missile being fired
Footage of the unarmed Trident II (D5) ballistic missile being fired
Published: 2012/10/29
Channel: Royal Navy
U.S. Navy Trident II Ballistic Missile from Ruch, Oregon (top-right-corner)
U.S. Navy Trident II Ballistic Missile from Ruch, Oregon (top-right-corner)
Published: 2015/11/08
Channel: Kenny Adams
Seattle False Flag Prediction Trident missile prediction from Spudgy Pang
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Trident Missile launch over Southern California
Trident Missile launch over Southern California
Published: 2015/11/09
Channel: cavedracones
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WIKIPEDIA ARTICLE

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The launching of a Trident I C-4 missile from the submerged USS Francis Scott Key and the re-entry vehicles plunging into the Atlantic Ocean, 1981

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). Trident missiles are carried by fourteen US Navy Ohio-class submarines, with US warheads, and four Royal Navy Vanguard-class submarines, with British warheads. The missile is named after the mythological trident of Neptune.[1]

Development[edit]

In 1971, the US Navy began studies of an advanced Undersea Long-range Missile System (ULMS). A Decision Coordinating Paper (DCP) for the ULMS was approved on 14 September 1971. ULMS program outlined a long-term modernization plan, which proposed the development of a longer-range missile termed ULMS II, which was to achieve twice the range of the existing Poseidon (ULMS I) missile. In addition to a longer-range missile, a larger submarine (Ohio-class) was proposed to replace the James Madison and Ben Franklin class SSBNs in 1978. The ULMS II missile system was designed to be retrofitted to the existing SSBNs, while also being fitted to the proposed Ohio-class submarine.

In May 1972, the term ULMS II was replaced with Trident. The Trident was to be a larger, higher-performance missile with a range capacity greater than 6000 mi.

Trident I (designated as C4) was deployed in 1979 and retired in 2005.[2] Its objective was to achieve performance similar to Poseidon (C3) but at extended range. Trident II (designated D5) had the objective of improved circular error probable, and was first deployed in 1990, and was planned to be in service for the thirty-year life of the submarines, until 2027.

Trident missiles are provided to the United Kingdom under the terms of the 1963 Polaris Sales Agreement which was modified in 1982 for Trident. British Prime Minister Margaret Thatcher wrote to President Carter on 10 July 1980, to request that he approve supply of Trident I missiles. However, in 1982 Thatcher wrote to President Reagan to request the United Kingdom be allowed to procure the Trident II system, the procurement of which had been accelerated by the US Navy. This was agreed in March 1982.[3] Under the agreement, the United Kingdom paid an additional 5% of their total procurement cost of 2.5 billion dollars to the US government as a research and development contribution.[4]

D5 Life Extension Program[edit]

In 2002, the United States Navy announced plans to extend the life of the submarines and the D5 missiles to the year 2040.[5] This requires a D5 Life Extension Program (D5LEP), which is currently underway. The main aim is to replace obsolete components at minimal cost by using commercial off the shelf (COTS) hardware; all the while maintaining the demonstrated performance of the existing Trident II missiles. In 2007, Lockheed Martin was awarded a total of $848 million in contracts to perform this and related work, which also includes upgrading the missiles' reentry systems.[6] On the same day, Draper Labs was awarded $318 million for upgrade of the guidance system.[6] Then-British Prime Minister Tony Blair was quoted as saying the issue would be fully debated in Parliament prior to a decision being taken.[7] Blair outlined plans in Parliament on 4 December 2006, to build a new generation of submarines to carry existing Trident missiles, and join the D5LE project to refurbish them.[8] It is called the Dreadnought-class submarine.

The first flight test of a D-5 LE subsystem, the MK 6 Mod 1 guidance system, in Demonstration and Shakedown Operation (DASO)-23,[9] took place on USS Tennessee (SSBN-734) on 22 February 2012.[10] This was almost exactly 22 years after the first Trident II missile was launched from Tennessee in February 1990.

The total cost of the Trident program thus far came to $39.546 billion in 2011, with a cost of $70 million per missile.[11]

In 2009 the USA upgraded D5 missiles with arming, fuzing and firing (AF&F) system[12][13] that allows them to target hardened silos and bunkers more accurately.

Description[edit]

Trident I first launch on 18 January 1977 at Cape Canaveral

The launch from the submarine occurs below the sea surface. The missiles are ejected from their tubes by igniting an explosive charge in a separate container which is separated by seventeen titanium alloy pinnacles activated by a double alloy steam system. The energy from the blast is directed to a water tank, where the water is flash-vaporized to steam. The subsequent pressure spike is strong enough to eject the missile out of the tube and give it enough momentum to reach and clear the surface of the water. The missile is pressurized with nitrogen to prevent the intrusion of water into any internal spaces, which could damage the missile or add weight, destabilizing the missile. Should the missile fail to breach the surface of the water, there are several safety mechanisms that can either deactivate the missile before launch or guide the missile through an additional phase of launch. Inertial motion sensors are activated upon launch, and when the sensors detect downward acceleration after being blown out of the water, the first-stage motor ignites. The aerospike, a telescoping outward extension that halves aerodynamic drag, is then deployed, and the boost phase begins. When the third-stage motor fires, within two minutes of launch, the missile is traveling faster than 20,000 ft/s (6,000 m/s), or 13,600 mph (21,600 km/h).

Minutes after launch, the missile is exo-atmospheric and on a sub-orbital trajectory. The Guidance System for the missile was developed by the Charles Stark Draper Laboratory and is maintained by a joint Draper/General Dynamics Mission Systems facility. It is an Inertial Guidance System with an additional Star-Sighting system (this combination is known as astro-inertial guidance), which is used to correct small position and velocity errors that result from launch condition uncertainties due to errors in the submarine navigation system and errors that may have accumulated in the guidance system during the flight due to imperfect instrument calibration. GPS has been used on some test flights but is assumed not to be available for a real mission. The fire control system was designed and continues to be maintained by General Dynamics Mission Systems.

Once the star-sighting has been completed, the "bus" section of the missile maneuvers to achieve the various velocity vectors that will send the deployed multiple independent reentry vehicles to their individual targets. The downrange and crossrange dispersion of the targets remains classified.

The Trident was built in two variants: the I (C4) UGM-96A and II (D5) UGM-133A; however, these two missiles have little in common. While the C4, formerly known as EXPO (Extended Range Poseidon), is just an improved version of the Poseidon C-3 missile, the Trident II D-5 has a completely new design (although with some technologies adopted from the C-4). The C4 and D5 designations put the missiles within the "family" that started in 1960 with Polaris (A1, A2 and A3) and continued with the 1971 Poseidon (C3). Both Trident versions are three-stage, solid-propellant, inertially guided missiles, and both guidance systems use a star sighting to improve overall weapons system accuracy.

Trident I (C4) UGM-96A[edit]

The first eight Ohio-class submarines were built with the Trident I missiles. Tridents were also retrofitted onto 12 SSBNs of the James Madison and Benjamin Franklin classes, replacing Poseidon missiles.

Trident II (D5) UGM-133A[edit]

A Trident II missile fires its first stage after an underwater launch from a Royal Navy Vanguard class ballistic missile submarine.

The second variant of the Trident is more sophisticated and can carry a heavier payload. It is accurate enough to be a first strike, counterforce, or second strike weapon. All three stages of the Trident II are made of graphite epoxy, making the missile much lighter. The Trident II was the original missile on the British Vanguard-class and American Ohio-class SSBNs from Tennessee on. The D5 missile is currently carried by fourteen Ohio-class and four Vanguard-class SSBNs. There have been 161 successful test flights of the D5 missile since design completion in 1989, the most recent being from the USS Maryland (SSBN-738) in August 2016.[14] There have been fewer than 10 test flights that were failures,[15] the most recent being from HMS Vengeance (S31), one of Britain’s four nuclear-armed submarines, off the coast of Florida in June 2016.[16]

The Royal Navy operates their missiles from a shared pool, together with the Atlantic squadron of the U.S. Navy Ohio-class SSBNs at King's Bay, Georgia. The pool is 'co-mingled' and missiles are selected at random for loading on to either nation's submarines.[17]

Conventional Trident[edit]

The Pentagon proposed the Conventional Trident Modification program in 2006 to diversify its strategic options,[18] as part of a broader long-term strategy to develop worldwide rapid strike capabilities, dubbed "Prompt Global Strike".

The US$503 million program would have converted existing Trident II missiles (presumably two missiles per submarine) into conventional weapons, by fitting them with modified Mk4 reentry vehicles equipped with GPS for navigation update and a reentry guidance and control (trajectory correction) segment to perform 10 m class impact accuracy. No explosive is said to be used since the reentry vehicle's mass and hypersonic impact velocity provide sufficient mechanical energy and "effect". The second conventional warhead version is a fragmentation version that would disperse thousands of tungsten rods which could obliterate an area of 3000 square feet. (approximately 280 square meters).[19] It offered the promise of accurate conventional strikes with little warning and flight time.

The primary drawback of using conventionally tipped ballistic missiles is that they are virtually impossible for radar warning systems to distinguish from nuclear-tipped missiles. This leaves open the likelihood that other nuclear-armed countries might mistake it for a nuclear launch which could provoke a counterattack. For that reason among others, this project raised a substantial debate before US Congress for the FY07 Defense budget, but also internationally.[20] Russian President Vladimir Putin, among others, warned that the project would increase the danger of accidental nuclear war. "The launch of such a missile could ... provoke a full-scale counterattack using strategic nuclear forces," Putin said in May 2006.[21]

Operators[edit]

See also[edit]

References[edit]

  1. ^ "Trident II D-5". Atomic Archive. Retrieved 19 March 2015. 
  2. ^ Popejoy, Mary (5 November 2005). "USS Alabama Offloads Last of C4 Trident Missiles". navy.mil. US Navy. Retrieved 2012-05-16. 
  3. ^ "Letter to Prime Minister Margaret Thatcher of the United Kingdom Confirming the Sale of the Trident II Missile System to Her Country". 11 March 1982. Retrieved 2012-11-23. 
  4. ^ Ministry of Defence and Property Services Agency: Control and Management of the Trident Programme. National Audit Office. 29 June 1987. Part 4. ISBN 0-10-202788-9. 
  5. ^ "Navy Awards Lockheed Martin $248 Million Contract for Trident II D5 Missile Production and D5 Service Life Extension" (Press release). Lockheed Martin Space Systems Company. 29 January 2002. Archived from the original on 27 February 2009. Retrieved 2009-01-28. 
  6. ^ a b "Defence.gov: Contracts for Monday 26th November 2007" (Press release). US DoD. 26 November 2007. Retrieved 2010-07-30. 
  7. ^ "Trident decision 'not yet taken'". BBC News. 21 November 2006. Retrieved 2012-11-23. 
  8. ^ "UK nuclear weapons plan unveiled". BBC News. 4 December 2006. Retrieved 2012-11-23. 
  9. ^ "DASO 23 Video". US Navy. 22 February 2012. Retrieved 2012-12-14. 
  10. ^ "Back to the Future with Trident Life Extension" (pdf). Undersea Warfare Magazine. US Navy. Spring 2012. Retrieved 2012-12-14. 
  11. ^ "Analysis of the Fiscal Year 2012 Pentagon Spending Request". Cost of War. 15 February 2011. Retrieved 2012-11-23. 
  12. ^ http://thebulletin.org/how-us-nuclear-force-modernization-undermining-strategic-stability-burst-height-compensating-super10578
  13. ^ http://www.scout.com/military/warrior/story/1762272-super-fuze-triples-power-sub-nuclear-attack
  14. ^ "Successful Trident II D5 Missile Flight Test Supports Navy Submarine Certification for Strategic Patrol". Lockheed Martin. 13 September 2016. Retrieved 26 January 2017. 
  15. ^ McCann, Kate; Dominiczak, Peter; Swinford, Steven (23 January 2017). "US Trident failure claims contradict Michael Fallon". The Daily Telegraph. Retrieved 26 January 2017. 
  16. ^ "How serious was the Trident missile test failure?". UK Defence Journal. 22 January 2017. Retrieved 24 January 2017. 
  17. ^ "Freedon of information request about the UK nuclear deterrent" (PDF). Ministry of Defence. 19 July 2005. Retrieved 25 January 2017. 
  18. ^ "Future Ballistic Missile Projects (United States), Offensive weapons". Jane's Strategic Weapon Systems. 27 October 2011. Retrieved 2012-11-23. 
  19. ^ Shachtman, Noah (4 December 2006). "Hypersonic Cruise Missile:America's New Global Strike Weapon". Popular Mechanics. Retrieved 2012-11-23. 
  20. ^ Wood, Sara, Sgt. (2006). "Conventional Missile System to Provide Diverse, Rapid Capabilities". US Department of Defense. Retrieved 2006-04-10. 
  21. ^ Rosenberg, Eric (6 October 2006). "Experts warn of an accidental atomic war". San Francisco Chronicle. Retrieved 2006-10-09. 

External links[edit]

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