What exactly is the Trident? The Royal Navys ballistic missile submarines carry on the services centuries-old mission of protecting the country from the sea. The United Kingdom is estimated to possess 225 nuclear weapons, of which 120 are operationally available and only 40 are deployed at a time. [9] There have been fewer than 10 test flights that were failures,[10] the most recent being from HMSVengeance, one of Britain's four nuclear-armed submarines, off the coast of Florida in June 2016. You can follow him on Twitter: @KyleMizokami. Modernization programs have resulted in new versions of the missile, expanded targeting options, and improved accuracy and survivability. Nuclear warhead limit: Seven years after entry into force (Feb. 5, 2018), New START limits went into effect that capped accountable deployed strategic nuclear warheads and bombs at 1,550, down approximately 30 percent from the 2,200 limit set by SORT and down 74 percent from the START-accountable limit of 6,000. A compilation of platforms and weapons, the three legs of the U.S. nuclear triad serve as the backbone of Americas national security. The Trident II was the original missile on the British Vanguard-class and American Ohio-class SSBNs from Tennessee on. [23], This article is about the Trident missile. All rights reserved. However, by now all of the boomers are armed with the superior Trident II D5 ballistic missile, which has 50 percent greater range and is capable of very accurate strikes, which could enable them to precisely target military installations as a first-strike weapon. deployment of conventional warheads on Trident missiles, which might be deployed in 2-4 years, but the 109th Congress rejected most of this request. An extensive upgrade for 300 missiles is planned in 2020 in order to upgrade them to the Trident D-5A or D-5LE versions with improved capabilities and an extended service life to 2042.3, In the mid-2000s, the Defense Department requested to deploy conventionally-armed Trident D5 missiles to satisfy requirements for its Conventional Prompt Global Strike capability. Guidance System: Inertial. 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). Less than a month later, the United States would become the only nation to use nuclear weapons in a conflict, dropping atomic bombs onHiroshima and Nagasaki. The B-21 Raider will first supplement, then eventually replace, the B-2 beginning in the mid-2020s. The combat effectiveness of the B-2 was proved in Operation Allied Force, where it was responsible for destroying 33 percent of all Serbian targets in the first eight weeks, by flying nonstop to Kosovo from its home base in Missouri and back. Trident missiles are carried by fourteen United States Navy Ohio-class submarines, with American warheads, as well as four Royal Navy Vanguard-class submarines, with British warheads. In addition, it can carry the conventional cruise missile that was launched in several contingencies during the 1990s and 2000s, starting with Operation Desert Storm and culminating with Operation Iraqi Freedom. Range: 4,000 nautical miles (4,600 statute miles, or 7,360 km). Enter a Melbet promo code and get a generous bonus, An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. It's key to our nation's defense. The Air Force would like toreplace the Minuteman IIIs with the Ground-Based Strategic Deterrent (GBSD). The five-decade-old Minuteman III will be replaced by the $100 billion. . BrahMos Each of the 170-meter-long vessels can carry twenty-four Trident II submarine-launched ballistic missiles (SLBMs) which can be fired from underwater to strike at targets more than seven thousand miles away depending on the load. All 24 missiles can be launched in less than one minute. Conventional, chemical, and biological weapons can also be delivered with varying effectiveness, but have never been deployed on ICBMs. In support of Operation Enduring Freedom, the B-2 flew one of its longest missions to date from Whiteman to Afghanistan and back. At its peak, the United States hadmore than 31,000nuclear weapons in its stockpile. Project Type Fleet ballistic missile Manufacturer Lockheed Martin Operators US Navy and Royal Navy First Deployment 1990 Weight 58,500kg Expand Updates? The same Congressional report noted that, based on the projected procurement schedule, the first Columbia- class submarine will be delivered by 2028 and become operational by 2031, at a total cost of $8.4 billion . The Navy plans to deploy 12 Columbia-class submarines, each carrying 16 Trident D5 missiles in four quad packs.13, In 1994, the United Kingdom began equipping the Trident D5 aboard its four Vanguard-class missile submarines. The B-2 completed its first-ever combat deployment in support of Operation Iraqi Freedom, flying 22 sorties from a forward operating location as well as 27 sorties from Whiteman Air Force Base and releasing more than 1.5 million pounds of munitions. Trident missile, American-made submarine-launched ballistic missile (SLBM) that succeeded the Poseidon and Polaris missiles in the 1980s and 90s. Here are the 10 countries with the most submarines: R-36M (SS-18 Satan) This Russian Intercontinental ballistic missile is the heaviest and most powerful in the world. The United States has400 Minuteman III intercontinental ballistic missiles (ICBMs) stationed in silos in the upper Midwest and Rocky Mountain areas. In 2007, a B-52 Stratofortress took off from Minot mistakenly loaded with six nuclear-armed AGM-129 cruise missiles and flew across the country to Barksdale Air Force Base in Louisiana. The U.S. Navy has 14 Ohio-class ballistic missile submarines, eight of which operate out of Bangor, Washington, and six of which operate out of Kings Bay, Georgia. Sbastien Roblin holds a Masters Degree in Conflict Resolution from Georgetown University and served as a university instructor for the Peace Corps in China. Ohio-class submarines also come armed with four twenty-one-inch tubes that can launch Mark 48 torpedoes. The missile is named after the mythological trident of Neptune.[1]. Of the eight submarines, five are usually out at sea when they are not receiving maintenance at Bangor . The Navy deployed a number of W76-2s by February 2020.11, The United States maintains 14 Ohio-class submarines, with two in repair at any time. The first submarine, HMS Resolution, was laid down in 1964 and commissioned in 1967, followed by Repulse and Renown, commissioned in 1968, and the aptly-named Revenge in 1969. More than 10,000 people provide up to 400 on-alert, combat-ready LGM-30G Minuteman III intercontinental ballistic missiles, or ICBMs, in hardened silos across five states. There are eight Trident submarines that hold 20 D5 missiles per sub. The specified mission trajectory is loaded onto the flight computer. Americas bomber fleet provides a range of both conventional and nuclear response options. What is the order of organization smallest to largest? It is designed to be launched from submarine ballistic missile tubes. Each Trident missile has a range of up to 7,500 miles (12,000km) and is accurate to within a few feet. While a submarines missiles are not pretargeted, like those in in fixed silos, they can be assigned coordinates quite rapidly. Unlike Lafayette and Le Redoutable, the new submarines of the Royal Navys Resolution-class would have their hydroplanes on the bow, with the ability to fold up when parked along a pier. Minuteman's maintenance concept capitalizes on high reliability and a "remove and replace" approach to achieve a near 100% alert rate. Each Trident missile can carry 8 Multiple Independent Reentry Vehicles (MIRVs) armed with a nuclear warhead. At the time of their deployment during the Cold War, their accuracy gave them the ability, unprecedented among SLBMs, to threaten hardened missile silos and command bunkers in the Soviet Union, and their extended range allowed their submarines to patrol almost anywhere in the Atlantic and Pacific oceans, making detection extremely difficult. From Sept. 2 to 3, 1996, two B-52H's struck Baghdad power stations and communications facilities with 13 AGM-86C conventional air launched cruise missiles, or CALCMs, as part of Operation Desert Strike. The use of aerial refueling gives the B-52 a range limited only by crew endurance. Point of Contact Let us know if you have suggestions to improve this article (requires login). This article was most recently revised and updated by, https://www.britannica.com/technology/Trident-missile. These MIRVs carry a nuclear payload ranging from five to seven kilotons (less than half the destructive power of the Hiroshima bomb) to warheads with a power of up to 475 kilotons, enough to decimate a major metropolitan area. The launch from the submarine occurs below the sea surface. 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. Ohio-class/Trident ballistic missile submarines provide the sea-based leg of the triad of U.S. strategic offensive forces. During Desert Storm, B-52s delivered 40 percent of all the weapons dropped by coalition forces. The revolutionary blending of low-observable technologies with high aerodynamic efficiency and large payload gives the B-2 important advantages over existing bombers. The system uses an inertial navigation system combined with a stellar reference system that provides an accuracy of 90 m CEP. Fully qualified airborne missile combat crews aboard airborne launch control center aircraft would execute the president's orders. The maximum cap on the UK's arsenal of. With the exception of theHenry M. Jackson, each is named after a U.S. state, an honor previously reserved for large surface warships. Modern nuclear warheads are far more powerful with the U.S. Trident missile yielding a 455 kiloton warhead while Russia's SS ICBM has an 800 kiloton yield. The Arihants carry up to 12 K-15 missiles in four launchers, each armed with one warhead with a range of 466 miles or four K-4 missiles with a range of 2,174 miles. The proposed program would cost more than $100 billion and consist of 666 missiles 400 for deployment and 266 for test launches or as spares. In 2009 he cofounded the defense and security blog Japan Security Watch. This fleet came into being after its ally, the United States, canceled a key weapon system that would have been the cornerstone of Londons nuclear arsenal. Each Trident missile can carry up to eight nuclear warheads, but usually carry four to five for an average of 90 warheads per submarine. The prime contractor, responsible for overall system design and integration, is Northrop Grumman Integrated Systems Sector. It could deliver eight independently targetable 100-kiloton nuclear warheads to a range of 4,000 nautical miles (7,400 km). 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. Vanguard carried out her first Trident II missile firing in 1994, and undertook her first operational patrol in 1995. President Trumps NPR states that Americas nuclear forces are directed toward deterring aggression and preserving peace. While some of the content in the 2018 NPR is similar to past reviews including the policy of ambiguity over when the United States would use nuclear weapons there is a renewed emphasis on the role of nuclear weapons in the U.S. national security strategy, and a call for supplemental capabilities in the form of new low-yield weapons. This was agreed upon in March 1982. The Department of Defense provides the military forces needed to deter war and ensure our nation's security. Most modern designs support multiple . The warheads are either the 90-kiloton W76-1 or the 455-kiloton W88. The first B-2 was publicly displayed Nov. 22, 1988, when it was rolled out of its hangar at Air Force Plant 42, Palmdale, California. A Trident submarine off the coast of Southern California in 2004. Trident D5 at a Glance Originated From United States Alternate Name Trident 2 The B-52A first flew in 1954, and the B model entered service in 1955. The primary drawback of using conventionally armed ballistic missiles is being virtually indistinguishable by radar warning systems from nuclear armed missiles. Ohio-Class Ballistic Missile Submarines - SSBN. The Trident II D5 is the latest generation of the U.S. Navy's submarine-launched fleet ballistic missiles, following the highly successful Polaris, Poseidon, and Trident I C4 programs. How many nuclear warheads can a Trident missile carry? These signatures make it difficult for sophisticated defensive systems to detect, track and engage the B-2. Modern ICBMs typically carry more than one nuclear warhead. Fairchild Air Force Base played a role in the 1962 Cuban Missile Crisis. The B-2 provides the penetrating flexibility and effectiveness inherent in manned bombers. ", Last edited on 21 February 2023, at 21:38, multiple independently targetable reentry vehicles, "USS Alabama Offloads Last of C4 Trident Missiles", "Letter to Prime Minister Margaret Thatcher of the United Kingdom Confirming the Sale of the Trident II Missile System to Her Country", "Analysis of the Fiscal Year 2012 Pentagon Spending Request", "How US nuclear force modernization is undermining strategic stability: The burst-height compensating super-fuze", "New US "Super-Fuze" Triples the Destructive Power of Submarine Launched Nuclear Weapons", "USS Rhode Island Successfully Tests Trident II D5 Missile", "US Trident failure claims contradict Michael Fallon", "How serious was the Trident missile test failure? The Trident II, or D-5, is about 46 feet (14 metres) long and carries multiple independently targeted warheads. However, Congress rejected funding for this program.4, In June 2002, the Navy initiated the D5 Life Extension to replace aging missile parts and extend missile life from 30 to 44 years.5, In January 2021, VADM Johnny Wolfe announced the Navy would start the Trident D5 Extension Life II upgrade this year.6 The second life extension program seeks to increase the Trident D5s lifespan for another 60 years to deploy through the 1980s.7, Since the Tridents design completion in 1989, the U.S. Navy has successfully conducted over 160 missile test launches.8, The Trident D5 has a range of 12,000 km and can carry a payload as large as 2,800 kg. In the event of a nuclear exchange, a boomer would likely receive its firing orders via Very Low Frequency radio transmission. In 2001, the B-52 contributed to the success in Operation Enduring Freedom, providing the ability to loiter high above the battlefield and provide close air support through the use of precision guided munitions. This survivability gives national leadership greater flexibility in the decision-making process. For a discussion of the British nuclear weapons program, see, Trident I first launch on 18 January 1977 at Cape Canaveral, Suzanne Doyle, "The United States Sale of Trident to Britain, 19771982: Deal Making in the Anglo-American Relationship. A 1999 UK statement limited the number of warheads to be deployed on each submarine to 48, an average of 3 warheads per missile.14 In July 2016, Parliament voted to approve new SSBNs to preserve the UK nuclear deterrent, ensuring that Trident will be deployed into 2050s.15. Trident missiles have can range up to 7,500 miles, and the destructive force is equivalent to eight Hiroshimas. In March 2021, the UK government announced it would increase its number of warheads . 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. Nine countries currently have nuclear weapons: the US, UK, Russia, France, China . 2 How many missiles does a Trident submarine carry? Most modern design support Multiple Independently targetable Re-entry Vehicles (MIRVs). This is a nightmarish weapon of the apocalypse. The first aircraft, Spirit of Missouri, was delivered Dec. 17, 1993. The latest Tridents carry about 8 independent warheads per missile. [22] Russian President Vladimir Putin, among others, warned that the project would increase the danger of accidental nuclear war. No explosive is said to be used since the reentry vehicle's mass and hypersonic impact velocity provide sufficient mechanical energy and "effect". Thus, ballistic-missile submarines promise the unstoppable hand of nuclear retributionand should deter any sane adversary from attempting a first strike or resorting to nuclear weapons at all. Current engineering analyses show the B-52's life span to extend beyond the year 2040. Since the end of the Cold War, each U.S. President has directed their administration to create a Nuclear Posture Review (NPR) outlining the role of U.S. nuclear weapons. Nuclear weapons delivery is the technology and systems used to place a nuclear weapon at the position of detonation, on or near its target. The Trident II was the original missile on the British Vanguard-class and American Ohio-class SSBNs from Tennessee on. The Minuteman III missiles underwent a multi-billion dollar modernizationprogram in 2015, extending the service life of these missiles to 2030. From the beginning, Minuteman missiles have provided a quick-reacting, inertially guided, highly survivable component to America's strategic deterrent program. The logic of nuclear deterrence: while a first strike might wipe out a countrys land-based missiles and nuclear bombers, itsverydifficult to track a ballistic-missile submarine patrolling quietly in the depths of the oceanand theres little hope of taking themallout in a first strike. 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 UGM-133 Trident II D5 is the U.S. Navys latest generation submarine-launched ballistic missile (SLBM). The missile measures 13.42 m in length, 2.11 m in diameter, and weighs 59,090 kg at launch. ", "Today, we face a complex and volatile global security environment with a wide range of challenges. This missile has a length of 8.5 meters, weighs seven tonnes and can carry a pay load of up to 500 kg. How many Trident II missiles are on a Vanguard class submarine? "The launch of such a missile could provoke a full-scale counterattack using strategic nuclear forces," Putin said in May 2006. After discovering that the Soviet Union was putting nuclear weapons in Cuba, President John Kennedy wanted them gone. Nuclear weapons have been based in the Clyde for over half a century. The most deadly of the real-lifekaijuprowling the oceans today are the fourteen Ohio-class ballistic-missile submarines, which carry upwards of half of the United States nuclear arsenal onboard. The UGM-133 Trident II D5 is a three-stage, solid-fueledsubmarine-launched intercontinental-range ballistic missile. The Bulletin of the Atomic Scientists says the Russian arsenal includes 4,447 warheads, of which 1,588 are deployed on ballistic missiles and at heavy bomber bases. Contractor: Northrop Grumman Corp. and Contractor Team: Power Plant: Four General Electric F118-GE-100 engines, Maximum takeoff weight: 336,500 pounds / 152,634 kilograms, Fuel Capacity: 167,000 pounds / 75,750 kilograms, Payload: 40,000 pounds / 18,144 kilogramst, Armament: Conventional or nuclear weapons, Unit Cost: Approximately $1.157 billion / fiscal 1998 constant dollars, Inventory: Active Force - 21 (1 test) | Reserve - 0 | Air National Guard - 0. Each submarine was equipped with sixteen Polaris A-3 submarine-launched ballistic missiles. Wolfe said he expected the first D5LE2 missiles to be deployed aboard the ninth Columbia-class submarine by FY 2039. In 2016, 58 of Scotland's 59 MPs voted against the decision to renew the Trident nuclear weapons system. [13] This requires a D5 Life Extension Program (D5LEP), which is currently underway. Northrop Grumman Corp. and Contractor Team: Four General Electric F118-GE-100 engines, Approximately $1.157 billion / fiscal 1998 constant dollars, Active Force - 21 (1 test) | Reserve - 0 | Air National Guard - 0, Hosted by Defense Media Activity - WEB.mil. The UK's independent nuclear deterrent has existed for over 60 years to deter the most extreme threats to our national security and way of life, helping to guarantee our safety, and that of our . At any one time, at least sixty-four of the UK's nuclear weapons are somewhere at sea, ready to launch within minutes of warning. America's ICBM force has remained on continuous, around-the-clock alert since 1959. However, by now all of the boomers are armed with the superior Trident IID5ballistic missile, which has 50 percent greater range and is capable of very accurate strikes, which could enable them to precisely target military installations as a first-strike weapon. 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. The United Kingdom has a stockpile of approximately 225 nuclear warheads, of which up to 120 are operationally available for deployment on four Vanguard-class nuclear-powered ballistic missile submarines (SSBNs). At least thats the hope. Each heavy bomber is counted as . US Navy Vice Admiral Johnny Wolfe, in charge of overall submarine weapons systems procurement, indicated in 2020 that he had initiated trade studies to apply lessons from the D5LE program to extend the Trident II's lifespan to 2084. Updated with modern technology the B-52 will be capable of delivering the full complement of joint developed weapons and will continue into the 21st century as an important element of our nation's defenses. Public Affairs Office, An official website of the United States government, Hosted by Defense Media Activity - WEB.mil. He currently writes on security and military history forWar Is Boring. Like the French Le Redoutable class, the submarines would bear a strong resemblance to the U.S. Navys Lafayette-class ballistic missile submarines, with two rows of eight missiles tubes each behind the sail. Up to 400 Minuteman III missiles make up the most responsive leg of the nuclear triad. The Trident II, or D-5, is about 46 feet (14 metres) long and carries multiple independently targeted warheads. Feb 18, 20206:02 PM. Trident missiles are deployed in four submarines, one of which is continuously at sea to make sure it can strike back in the event of an unprovoked nuclear attack. Trident missiles are provided to the United Kingdom under the terms of the 1963 Polaris Sales Agreement which was modified in 1982 for Trident. Although each submarine has sixteen launch tubes, a decision was made in 2010 to load each sub with just eight American-built Trident II D-5 submarine launched ballistic missiles. The warheads on the ICBMs represent about one-quarter of US deployed strategic warheads. In the early 1980s, it became clear that the Resolution class would eventually need replacement. Their stealth design makes finding an SSBN an almost impossible task, giving pause to potential adversaries. An official website of the United States Government, Vice Chairman of the Joint Chiefs of Staff, June 1970, production cessation: December 1978, ~15,000 mph / Mach 23 or 24,000 kph at burnout, Active Force - 406 | Reserve - 0 | Air National Guard - 0, Eight Pratt & Whitney engines TF33-P-3/103 turbofan, ~70,000 pounds / 31,500 kilograms mixed ordnance - bombs, mines and missiles (modified to carry air-launched cruise missiles), Five - aircraft commander, pilot, radar navigator, navigator and electronic warfare officer, $84 million / fiscal 2012 constant dollars, Active Force - 58 | Reserve - 18 | Air National Guard - 0. The Ohio submarines were built with larger missile tubes designed to accommodate the newer Trident II beginning in 1990. On September 17, the U.S. Navy launched two unarmed Trident II D5 Life Extended (LE) submarine-launched ballistic missiles (SLBM) in a scheduled flight test in waters off Cape Canaveral, Florida. However, the Navy eventually shifted its emphasis from increasing range to improving accuracy as the Trident D5s counterforce mission became a focal design point.2, The Trident D5 has undergone extensive improvement programs. An average of a month is spent between patrols, with resupply facilitated by three large-diameter supply hatches. . It is assigned to the 5th Bomb Wing at Minot Air Force Base, North Dakota, and the 2nd Bomb Wing at Barksdale Air Force Base, Louisiana, both of which fall under Air Force Global Strike Command; and to the Air Force Reserve Command's 307th Bomb Wing at Barksdale Air Force Base. Im referring, of course, to ballistic-missile submarines, or boomers in U.S. Navy parlance. Occasionally, these chaps will spawn into the world holding a trident, so you simply have to defeat them for a chance of a trident dropping, but that chance is very small at 8.5%. The aircraft received full operational capability status in December 2003. The MIRVs are small, present a radar profile equivalent to a goose and are moving very fast. It is the sole strategic-range nuclear weapon of the United Kingdom and constitutes the sea-based leg of the United States nuclear forces. Now multiply that by 8, then Continue Reading 127 12 [18][19]. Trident I (designated as C4) was deployed in 1979 and retired in 2005. 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. How many missiles does a Trident submarine carry? The US$503million 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. 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). Sagarika is a submarine-launched ballistic missile with a range of 700 km. The numbers of warheads are subject to budget constraints and (in the case of the United States) arms-control treaties with Russia. Re-entry vehicles maneuver in order to avoid enemy air defenses. This is a purely tactical warhead designed to take out small tactical targets or battlefield units. A study by the Ministry of Defense concluded that, like France, the UK would need at least five ballistic missile submarines to maintain a credible deterrent posture. Kyle Mizokami is a defense and national-security writer based in San Francisco who has appeared in the Diplomat, Foreign Policy, War is Boring and the Daily Beast. | Privacy Policy. This is despite the opposition of the people of Scotland, civil society, the STUC, Scotland's churches, the Scottish Parliament and most of Scotland's MPs. 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). The Trident missile rises into space above missile defense systems and releases the MIRV's. Several methods have been developed to carry out this task. How to Market Your Business with Webinars? 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. Each D-5 carries eight multiple independently targetable warhead 100 kiloton warheads, giving each submarine a total of 6.4 megatons of nuclear firepower. Skybolts cancellation threatened to undo the UKs entire nuclear deterrent, and the two countries raced to come up with a solution. . Each ballistic missile holds four to five nuclear warheads, accounting for 90 nuclear warheads per submarine. Missile Threat is a product of the Missile Defense Project at the Center for Strategic and International Studies. The four Vanguard-class submarines carry the UK's Trident missiles and warheads, with any decision to launch them sent through to the boat in an encrypted message. "To . ", "Freedon of information request about the UK nuclear deterrent", "Navy Awards Lockheed Martin $248 Million Contract for Trident II D5 Missile Production and D5 Service Life Extension", "Defence.gov: Contracts for Monday 26th November 2007", "Back to the Future with Trident Life Extension", "Next Sub-Launched Ballistic Missile 'Won't Be Completely New', "Navy's SSP Admiral: New Missile Planned for Introduction on 9th Columbia SSBN", "Future Ballistic Missile Projects (United States), Offensive weapons", "Hypersonic Cruise Missile:America's New Global Strike Weapon", "Conventional Missile System to Provide Diverse, Rapid Capabilities", "Experts warn of an accidental atomic war", https://en.wikipedia.org/w/index.php?title=Trident_(missile)&oldid=1140802596, This page was last edited on 21 February 2023, at 21:38.