End US-UK Nuclear Collusion

By Leonard Eiger

On March 16^th the United Kingdom announced (in its Integrated Review of Security, Defence, Foreign Policy and Development titled Global Britain in a Competitive Age) that it will increase the limit on its nuclear arsenal for the first time in decades. Instead of maintaining a cap of 180 warheads (as it had previously stated), the UK will increase its stockpile cap to 260 warheads – a 40% increase. The review also broadens the role of nuclear weapons to include the possible use of nuclear weapons to address emerging technologies (cyber attacks). This is shocking and unacceptable! Indeed, it seems the British Empire is flexing its imperial muscles as it breaks away from the rest of Europe.  

The announcement comes at a precarious time. A new nuclear arms race is brewing. The US and Russia, the two largest nuclear powers (with some 93 percent of global nuclear warheads), are failing to lead the world away from reliance on nuclear weapons, and other nations are following their lead. At a time when most nations are calling for an end to nuclear weapons (UN Treaty on the Prohibition of Nuclear Weapons), rather than setting a positive example and supporting the treaty, the UK is instead fanning the flames of proliferation. And, it is getting loads of help along the way.

Just prior to the announcement a spokesperson for the UK Ministry of Defence reiterated the longstanding claim that the “UK is committed to maintaining its independent nuclear deterrent, which exists to deter the most extreme threats to our national security and way of life.” The British have been claiming their nuclear weapons systems to be “independent” for so long that the world seems to have accepted this fraudulent claim. In fact, the UK’s nuclear forces are anything but independent, and there is ample evidence to disprove the governments claim. To more fully understand the situation, we need to study a bit of history.

Although the US declared its independence when the original 13 American colonies severed their political connections to Great Britain, the two countries have since found it mutually beneficial to develop a strong alliance; what has become known as the “Special Relationship,” an unofficial term used to describe certain aspects of their relationship including political, diplomatic, cultural, economic, and military.

And nowhere has their relationship been quite as special as is the case involving nuclear weapons. The two countries signed the Mutual Defence Agreement (MDA) in 1958, a secretly negotiated bilateral treaty on nuclear weapons cooperation under which both countries agreed to exchange classified information to develop their respective nuclear weapon systems.

The treaty permits “the transfer between the United States and the United Kingdom of classified information concerning atomic weapons; nuclear technology and controlled nuclear information; material and equipment for the development of defence plans; training of personnel; evaluation of potential enemy capability; development of delivery systems; and the research, development, and design of military reactors.”

The MDA was last amended in 2014. In 2018 officials from the UK and US met to celebrate the 60-year anniversary of the MDA. The official statement from the US State Department referred to “promoting peace to fighting terrorism” and “advancing each nations’ mutual understanding of the safety, security, and reliability of their respective nuclear weapon stockpiles,” while making no mention of the direct transfers of nuclear warheads and their delivery systems (missiles) currently deployed on British Trident submarines.

The MDA only came about after the UK developed its own thermonuclear weapons, and the US then agreed to supply delivery systems, and designs and nuclear material for British warheads. Both countries’ ballistic missile submarines are commonly referred to as “Trident” due to the missiles they both carry, which are the Trident II D5 submarine-launched ballistic missile manufactured by Lockheed Martin Aerospace, a US-based corporation.

The UK leases the Trident missiles, deployed on its four Trident submarines, from the US government. Those submarines return regularly to the US Trident submarine base in King’s Bay, Georgia, for the maintenance and replacement of the missiles. As of 2017, the UK paid an annual contribution of approximately $16.7 million towards the operations cost of Kings Bay.

Both the Trident missile’s navigation and guidance systems are the same on both US and UK versions, and utilize US software. The US Navy supplies weather and gravity data to both US and UK submarines, which is vital to ensuring missile accuracy. Both hardware and software for the fire control system (used to assign targets to warheads) are produced by US companies. The hardware is produced by General Dynamics, a US-based corporation.

All test launches of Trident missiles from British Trident submarines are conducted off the Florida coast and under US supervision. The test data is analyzed by the Applied Physics Laboratory (APL) at Johns Hopkins University and by the Charles Stark Draper Laboratories.

The UK’s warheads are what the UK calls “Holbrook”, and are mounted on Trident II D5 missiles carried on British Vanguard-class “Trident” nuclear submarines. The “Holbrook” thermonuclear warhead is nearly identical to the US W76 warhead deployed on those same Trident II D5 missiles on US OHIO-class “Trident” submarines. Is this a case of plagiarism or just an all-too cozy, mutually beneficial relationship between two nuclear-armed nations?

According to the British government, their nuclear warheads are designed, manufactured and maintained by the Atomic Weapons Establishment (AWE) in the UK. AWE has been managed since 2000 by AWE Management, of which US-based Lockheed Martin Corporation is a partner, holding a 51 percent stake in the operation. It was announced in late 2020 that the British government will regain direct control of operations and development of AWE as of June 2021.

A UK Ministry of Defence fact sheet states that their warheads are “designed and manufactured in the U.K.” However, a declassified U.S. Department of Energy (DOE) document obtained by the Federation of American Scientists (FAS) under the Freedom of Information Act directly links the warhead designs on U.S. and U.K. Trident missiles. Alas, the British nuclear warheads are not so British (if at all).

According to Hans Kristensen, Director of the FAS Nuclear Information Project, based on information in that document, “the ‘U.K. Trident System,’ as the British warhead modification is called, is similar enough to the U.S. W76 warhead to make up an integral part of the W76 engineering, design and evaluation schedule.” The DOE document referred to specific work to be performed on W76 warheads belonging to the “UK Trident System.”

Kristensen reported in 2011, based on a report from Sandia National Laboratories, that British Trident submarines would be receiving the upgraded (US) W76 warhead, known as the W76-1,” thereby dispelling any rumors of an “independent” British deterrent. Kristensen also noted that “the missile compartment on the next-generation SSBN” – now in production and known as the Common Missile Compartment – “will be supplied by the United States, and new reactor cores that last the life of future submarines hint of substantial U.S. nuclear assistance.”

After that disclosure, UK defense sources confirmed to the Guardian in 2011 “that the new arming device [on the W76-1] would make Britain’s nuclear missiles more accurate and more effective.” After further, extensive research, Kristensen reported in 2017 about the “revolutionary increase in the lethality of the W76-1 due to the “super-fuze” device that the US Navy had been incorporating into the W76-1 since 2009 as part of its “Life Extension Program,” and is currently installed on all W76-1 warheads, in both the US and UK.

Kristensen described how the greatly increased effectiveness of the “super-fuzed” W76-1 in its ability to destroy “hardened targets” [Russian land-based missile silos] essentially “creates exactly what one would expect to see, if a nuclear-armed state were planning to have the capacity to fight and win a nuclear war by disarming enemies with a surprise first strike.” Thanks to the “super-fuze,” the warheads on US and UK Tridents combined are far more than enough to destroy all Russian land-based missiles in a first strike. And this has not gone unnoticed by the Russians! Can you say Arms Race Redux???

The UK has been a NATO member since the 1960s, and therefore Trident could be used against a country attacking another NATO member state. Since NATO has not adopted a no-first-use policy, Trident could also be used in a pre-emptive strike against another nation that was perceived to be a threat. Neither the US nor the UK have no first-use policies.

Looking into the future, both the US and UK are engaged in programs to build the next generation of ballistic missile submarines to replace their current fleets. Both new subs will incorporate the US-built Common Missile Compartment. There has been talk about a replacement missile for the D5, and a new warhead called the W93 is already being planned, and the British government is engaged in extensive lobbying for it.

The evidence is abundantly clear. The British Trident system is dependent on and, in many ways controlled by, the US in essentially every aspect. It is by no means an “independent nuclear deterrent,” even if you believe in deterrence theory. And this has deeply important meaning under international legal norms.

Article I of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT), to which the US and UK are both signatories, explicitly prohibits the “transfer to any recipient whatsoever nuclear weapons or other nuclear explosive devices or control over such weapons or explosive devices directly, or indirectly…” Under international law the NPT should take precedence over the the US-UK mutual defence agreement, and therefore the agreement would be in violation of the NPT.

The US and UK have, for decades, undermined both the letter and intent of the NPT through their special nuclear relationship. They have found ways to make their nuclear arsenals more effective and continue to modernize in the name of deterrence and national security. And now, the UK has announced an increase in its nuclear warhead cap. While the United Nations and a number of countries have chimed in with their concerns about the UK’s announcement, the US has been noticeably silent. Might the US be pondering such an increase? After all, aren’t treaties meant to be broken (as we saw in the prior US administration)?

Isn’t it time to end the special nuclear relationship? Isn’t it time to re-think “deterrence” theory and “national security”? Isn’t it time to recognize that so long as nuclear weapons exist, humanity teeters on the brink of disaster?

And speaking of history, we need to learn the lessons of the past. We have come close to the nuclear precipice far too many times, and the (Doomsday) clock is still ticking. We can’t stop the Clock until we abolish nuclear weapons. Empires come and empires go, yet humanity has only one chance. As for the US and UK, it is time for citizens of both nations to come together to pressure our governments to end the special nuclear relationship, and sign and ratify the Treaty on the Prohibition of Nuclear Weapons, showing real leadership towards a world free of the threat of nuclear annihilation.

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The CND invites you – no matter what country you are from – to write UK Prime Minister Boris Johnson opposing the new policy and calling on the UK to commit to nuclear disarmament, scrap the UK nuclear weapons program and reinvest the nuclear weapons budget in public health, climate protection and peace.

I also invite you to endorse the Appeal for a Nuclear Weapon Free World which calls on all nuclear-armed States to pledge never to initiate a nuclear war, and also to slash nuclear weapons budgets to fund public health and the SDGs, and commit to eliminating all nuclear weapons – at the very latest by 2045, the 100th anniversary of the United Nations.

Here are just a few of the organizations where you can learn more and get involved: International Campaign to Abolish Nuclear Weapons (ICAN), Campaign for Nuclear Disarmament (CND), and NuclearBan.US and Unfold Zero.