The ‘special relationship’: Preparing Britain and America for a new era

Forewords

Defence is at the heart of the relationship between the United Kingdom (UK) and the United States (US). We fought two world wars together, and we have been side by side in most conflicts since. Our shared values helped to create the open international order, under which world trade has grown and democracies have flourished since the end of the Cold War.

Differences of view across the Atlantic are not new. Challenges closer to home shape each of our priorities, and there have long been American concerns about the equitable sharing of the defence burden between allies. Today, Britain rightly sees Russia as the main threat to the Euro-Atlantic area; America is unsurprisingly concerned with the growing military and economic power of the People’s Republic of China (PRC) in the Indo-Pacific. Both of us must deal with the increasingly hostile coalition between the PRC, Russia, Iran and North Korea.

The UK and US have long had a deeper and broader military and security partnership than other allies. Britain needs to be ready to increase its commitments to the North Atlantic Treaty Organisation (NATO) if and when any American troops and assets are more urgently required to defend their own homeland. We should also collaborate more closely with the US on emerging technologies, critical minerals and munitions.

This valuable Report from the Council on Geostrategy reviews the state of the UK-US relationship today. It pulls no punches about what needs to be done to reinforce that relationship and make it fitter for purpose in the new geopolitical age that we must face together. I hope that His Majesty’s (HM) Government will seriously consider each of its recommendations.

The Rt. Hon. Sir Michael Fallon KCB

Secretary of State for Defence (2014-2017)
Member of the Advisory Board, Council on Geostrategy

The relationship between the US and UK, often referred to as the ‘special relationship’, has long been a cornerstone of international diplomacy. It has weathered numerous challenges and celebrated many shared triumphs, particularly throughout the 20th century and the first quarter of the 21st century.

This timely Report accurately captures many of the challenges confronting the alliance today, as well as what keeps the two countries so closely tied together. Without agreeing with everything in the Report, I do agree with many of the important facts raised and the recommendations which follow, although I do want to emphasise that I am writing this foreword in a personal capacity.

The US is focusing more and more on the Indo-Pacific and the PRC’s global hegemonic aspirations. That is a fact, and an uncomfortable one for the UK, which continues to downgrade the importance of that threat as it spends less and less on defence. For London, Washington’s concerns are of secondary importance to Russia, while the PRC only seems to be considered – if at all – as a source of investment and trade to London.

The strategic importance of the alliance cannot be overstated. Yet, it is crucial to recognise that the world is undergoing rapid transformations. Geopolitical shifts, technological advancements and economic realignments are reshaping the international landscape. These changes necessitate a reassessment of the traditional dynamics between America and Britain.

Specifically, this Report recommends:

  • Interests over values: The two nations must consider what geostrategic factors bring them together and check to see that they are still aligned. 
  • Trade: The two must ensure that a new trade order supports their principles and their national interests while dealing with distortions in the global economy caused by the PRC.
  • Converging interests: The two countries are increasingly concerned with rebuilding capability in their defence industrial base.
  • Diverging interests: The two powers must take note that they are increasingly focused on different regions.

I think the Council on Geostrategy has provided a balanced and insightful perspective, acknowledging both the enduring strengths of the special relationship and the new challenges which must be navigated. I hope that governmental readers on both sides of the Atlantic will take note of the points raised here to ensure that the alliance is both fortified for these challenges and embracing of these opportunities. Let us no longer take this very special relationship for granted.

Adm. (rtd.) Harry Harris

24th Commander, United States Pacific Command
United States Ambassador to the Republic of Korea (2018-2021)

Executive summary

Context:

  • While historical foundations and ties have helped to reinforce the ‘special relationship’ between the United Kingdom (UK) and United States (US), it was common geopolitical interests which bound the two nations together. Chief among these has been to prevent others from dominating the most industrialised and productive regions of Eurasia.
  • As a result, both countries have co-constructed the prevailing international order. Their strength, determination and foresight after the Second World War created alliances and institutions which saw the collapse of the Soviet Union. But the enlargement of that order and the offshoring of manufacturing have empowered adversaries while weakening UK and US strategic industries.
  • Geopolitical changes, especially growing Russian and Chinese aggression, as well as political and strategic changes in Britain and America, have led to fresh questions being asked about the future of the special relationship.

Questions this Report addresses:

  • What were the fundamental interests which brought the UK and US together, and do they remain cogent?
  • How can the two reinforce convergent interests while simultaneously managing divergent interests?
  • How can policymakers within the two countries redefine the alliance for a new era of geopolitics and revision of the international order?

Key findings:

  • In the 2020s, areas of converging interests include:
    • Accepting limits on globalisation: This convergence is currently implicit rather than explicit, though both countries recognise the need to rectify the negative impacts which globalisation has had on their own economies and societies.
    • Rising to the geopolitical challenge: Both countries express aspirations of leadership and have shown the will to address systemic challenges, although to differing degrees in their respective theatres.
    • Rebuilding the defence industrial base: Both nations have identified an urgent need to rebuild production capacity and invest in future technologies.
  • Areas of diverging interests include:
    • Theatre priority: For the first time in decades, there is a strong possibility that the UK and US will prioritise different regions, with Britain focused primarily on the Euro-Atlantic and America on the Indo-Pacific, though both also retain an interest in the Middle East.
    • Threat precedence: The UK’s stance towards the People’s Republic of China (PRC) frustrates Washington, while London worries about a softer US approach towards Russia.
    • Cooperation preference: The two countries are somewhat divided on their approach to multilateral institutions, including on climate change and trade arrangements.
  • These areas of divergence notwithstanding, Britain and America have made similar diagnoses of the geopolitical problems they face, even if they are starting to focus on them from different directions. The two nations also share clarity of purpose in many areas: they require closer and continued strategic dialogue to realign growing divergences. 
  • One problem, particularly for the UK, is that while US power has surged ahead, the UK, like many other allies, has fallen behind. Britain has a special interest in strengthening itself – economically, diplomatically and militarily – otherwise its voice will weaken in Washington.
  • However, each country is likely to remain the other’s most powerful ally well into the 21st century. This necessitates closer cooperation. While the US has other important allies and partners, none of these look set to be more powerful than the UK by the early 2030s, especially if British naval and deterrence capabilities are regenerated.

Recommendations:

To repurpose the special relationship, the UK and US should:

  • Create a new vision of the future of the international order: Britain and America largely agree on the damage done to their economies and industrial bases by neoliberal economic policies. But they lack a vision and strategy to respond. To chart a way forward with the support of a wider group of key allies, they should:
    • Review the level of rival co-option occurring in existing geoeconomic organisations in order to create new ones where necessary, to deal with trade abuses and to coordinate sanctions more effectively;
    • Explore ways of establishing a new geoeconomic order, designed to reinforce the prosperity and resilience of free and open countries, which seeks to limit the ability of adversaries to compete at the geoeconomic level;
    • Strengthen the alignments between the UK and US scientific and technological bases to generate collaboration on regulations for emerging technologies, such as Artificial Intelligence (AI) and Quantum technologies, behind which like-minded partners can follow.
  • Plan for a modulated multi-theatre posture: There have been signs from American officials that the US will be far less focused on European security. To mitigate the impact of an American reprioritisation away from Britain’s primary theatre, the two governments should:
    • Work together – and within the North Atlantic Treaty Organisation (NATO) – to create a clear timeline for the move of key US assets from Europe to the Indo-Pacific theatre over the next five to ten years. The aim should be to allow the UK and other allies to replace those assets in an orderly manner, rather than during a geopolitical emergency in the future;
    • Prepare for the UK to provide leadership and enhanced deterrence in Europe;
    • Reinforce UK support for US Indo-Pacific Command (INDOPACOM) in the Indo-Pacific;
    • Develop strategic dialogues on the most pressing issues to foster alignment on key national priorities;
    • Forge a better understanding of how and where both nations could contribute to a simultaneous multi-front crisis if one were to materialise.
  • Coordinate military production: There is consensus in both countries that greater defence industrial capacity is needed to deter and contain aggressors. The realisation that adversaries are now fielding Chinese technologies will help shape priorities. The UK and US should:
    • Commit to spend at least 5% of Gross Domestic Product (GDP) on defence by 2030, with 3.5% on military capabilities and 1.5% on strategic infrastructure, as per the recommendation of Mark Rutte, Secretary General of NATO;
    • Ensure that there is clear direction and prioritisation for transatlantic defence industrial collaboration;
    • Prioritise rare earth metal supply chain cooperation; continued PRC control over this vital supply chain is simply not sustainable for future UK-US military industrial expansion and operations;
    • Support efforts which contribute to leadership in critical technologies;
    • Build up the production and co-production of munitions at the bilateral, minilateral and multilateral levels;
    • Cooperate more on co-sustainment, particularly to enable British shipyards to support the US Navy.

About the authors

William Freer is Research Fellow in National Security at the Council on Geostrategy.

Dr John Hemmings is Deputy Director (Geopolitics) at the Council on Geostrategy.

James Rogers is Co-founder (Research) at the Council on Geostrategy.

Disclaimer

This publication should not be considered in any way to constitute advice. It is for knowledge and educational purposes only. The views expressed in this publication are those of the author and do not necessarily reflect the views of the Council on Geostrategy or the views of its Advisory Council.

Image credit: Britain and America, media photos, Canva Pro licence

No. 2025/14 | ISBN: 978-1-917893-05-3