RAND Europe Written evidence (NLR0139)

 

  1. Summary

The 2025 Strategic Defence Review (SDR) identifies a ‘new era of threat and challenge’ facing the UK, characterised by persistent hybrid activity – including cyber attacks, disinformation and espionage – alongside the renewed risk of highintensity state conflict. These threats are compounded by shifts in US security priorities away from Europe and towards the IndoPacific, increasing the requirement for greater UK and European selfreliance. Taken together, these threats elevate national resilience from a supporting function to a core pillar of national security policy and create an imperative for a ‘national conversation’ that is clear and transparent, as envisaged by the SDR.

In response to the worsening threat environment, NATO allies have agreed to a longterm increase in defencerelated and resiliencerelevant spending to reach 5 per cent of GDP by 2035, while the UK government has committed to the largest sustained rise in defence expenditure since the Cold War. However, international comparisons indicate that several European allies are now moving faster in relative and absolute terms. While increased spending is necessary, this submission emphasises that resilience outcomes depend critically on how resources are allocated to translate into credible military capability, industrial readiness and societal preparedness. This comes, for example, through investments in supply chain resilience, workforce readiness and the scale-up of industrial production.

International evidence, especially from Nordic and Baltic states, shows that resilience is strongest when underpinned by a shared and clear understanding of the threat and a whole-of-society effort to prepare for potential crises. Key enablers include inclusive policy development, transparent dialogue around threats to national security, clear articulation of roles and responsibilities across government and society, and sustained strategic communication to build public trust. RAND Europe’s resilience framework offers a practical exemplar for structuring and communicating these efforts in a UK context.

Finally, the submission highlights disinformation as a growing and systemic threat to national resilience, particularly during crises and elections. Mitigating this risk requires proactive communication, clearer platform accountability, greater oversight of AIenabled systems, sustained investment in communitylevel actors, and improved digital and media literacy underpinned by critical thinking skills and techniques.

 

2. Risk Assessment

Question 3. Since the 2025 Strategic Defence Review (SDR), what changes have there been to the national resilience implications of the geopolitical environment for defence spending, development of the country’s industrial base, and military recruitment?

The SDR makes it clear that the UK is facing a ‘new era of threat and challenge’, including direct threats to national security presented by militarily capable states.[1] The Review also notes that the UK is already experiencing daily acts of aggression in a variety of hybrid forms, from cyber attacks to disinformation and espionage.[2] Finally, it hints at the implications for the UK of the United States shifting its own national security priorities, namely de-prioritising Europe and re-focusing on regional security and the Indo-Pacific – a shift that has been unfolding ever more rapidly since the SDR’s publication.[3] These emergent security challenges place increasing importance on the UK’s resilience, preparedness and ability to absorb, respond to and recover from a range of strategic shocks. It also requires the state to adapt and prepare better for future challenges. While the SDR called for a ‘national conversation’ on defence and security to build public support and a common understanding of the threat, broader national engagement has been limited.

 

Defence spending

In response to the worsening threat environment, NATO allies agreed at The Hague Summit in 2025 to increase spending of defence to 5% of GDP by 2035, which includes 3.5% GDP expenditure on defence and a further 1.5% on broader critical infrastructure and resilience.[4] The UK government has committed to the largest sustained increase in defence spending since the Cold War, including a 2.5% GDP commitment from April 2027.[5] However, in the context of broader NATO, the UK has been overtaken by Germany as the largest European NATO defence spender in real terms and by several other European NATO members, including Poland, the Baltics, the Netherlands and the Nordics in terms of defence spending as a percentage of GDP.[6]

Three things are increasingly clear: that a sustained increase in defence spending is essential, that such increases must be allocated effectively to achieve return on investment in terms of outcomes – namely, improved and strengthened military capabilities and a better prepared Armed Forces – and that this work must happen at a pace that addresses or over-matches the threat.

 

Defence industry              

While the UK has a mature industrial base pertaining to the defence sector, it is attenuated to peacetime efficiency and prepared to support wars of choice, not for potential high-intensity conflict or wars of necessity. To increase the preparedness of industry to anticipate and respond to a diverse array of emergent threats, several steps are needed:

While these measures should improve industrial resilience, HMG should recognise that there will be a cost to implementing these, and there are likely to be some industrial efficiency penalties as the price for increased industrial resilience. 

 

Military recruitment

To increase resilience and preparedness, a robust approach to recruitment, retention and mobilisation is needed. This should include the following steps:

 

  1. Whole of Society approach

Question 6. How can understanding of preparedness and resilience be improved, with action encouraged at all levels of society so that these priorities are both seen as relevant and achievable in practice?

A shared vision for preparedness and resilience is most effectively built on a whole-of-society approach, engaging government, the private sector, civil society and individual citizens. Whilst national cultures, geography and historical settings mean it is not possible to cut and paste a model from one society into another, we can take lessons from particularly effective cases of good practice. Considering the examples set by the Nordic and Baltic states suggests that such a vision should share the following tenets:

Each stage requires distinct activities for effective implementation, as shown in Table 1.

Figure 1: Stages of the resilience cycle

Source: RAND Europe, based on Caves et al. (2021) and Nederveen et al. (2024)

 

Table 1: Competences and activities required within each phase of the resilience cycle

Source: Nederveen et al. (2024)

Preparedness and resilience are often most effective when made tangible, relevant and actionable for all sectors of society. International evidence highlights several strategies the UK could consider:

 

  1. Communication and information

Question 9. What are the risks of disinformation concerning preparedness and resilience, including through digital channels and around elections, and how can these be mitigated, such as through the involvement of community organisations?

Disinformation is a direct and growing threat to national resilience. It undermines public trust and disrupts crisis response. Digital channels amplify these risks by rapidly spreading opinion, false narratives and conspiracy theories, particularly during elections, which can erode confidence in democratic processes and institutional decisionmaking.[21] Its effects are cumulative; shaping behaviour, reinforcing grievances and weakening the ability of governments and communities to respond effectively to emergencies.[22]

The risks posed by disinformation manifest in several ways, including:

A key factor amplifying the scale and sophistication of disinformation is the rapid evolution of technology. For example, algorithmic systems and conversational AI do not just spread content; they reinforce and personalise false narratives over time, increasing their credibility and persistence.[28] In addition, bot farms, triggering and impersonation are used to artificially amplify certain narratives and distort public debate.[29] These practices undermine preparedness by overwhelming information environments and silencing scrutiny.

As national resilience depends on a public that can recognise and act on trusted information, the risks of disinformation are profound. Where disinformation degrades public trust, emergency communications become less effective and collective response breaks down.

This challenge is now inseparable from platform governance. Under frameworks such as the UK Online Safety Act and EU regulations, platforms are required to assess and mitigate systemic risks. AI-integrated systems such as conversational models create new risks through sustained, private interactions that reinforce harmful narratives over time.[30] These are national resilience risks, not just content moderation issues.

Effective strategies to mitigate the risks of disinformation include:

 

  1. Cross-cutting issues

Question 13. What lessons concerning preparedness and resilience can the UK learn from other countries, including Nordic countries, and how can it facilitate international co-operation on these issues?

While it is not possible to ‘transplant’ one country’s approach to resilience and preparedness into another, there are nonetheless broad lessons that the UK could learn from international practice, particularly in the Nordic countries. These include:

 

References

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Fornusek, Martin. 2025. ‘As Poland builds Europe's largest military, Russia’s tactics reveal its gaps.’ Kyiv Independent. As of 10 April 2026: https://kyivindependent.com/ukraine-war-shows-gaps-in-polands-military-drive/

Harris, Ruth, Pauline Paillé, Theodora Ogden, and Victoria Jordan. 2021. ‘Misinformation, disinformation and hateful extremism during the COVID-19 pandemic.’ RAND Corporation. As of 16 April 2026: https://www.rand.org/randeurope/research/projects/2021/hateful-extremism-misinformation-disinformation-covid19.html

Helmus, Todd C. and Khrystyna Holynska. 2024. ‘Ukrainian Resistance to Russian Disinformation: Lessons for Future Conflict.’ RAND Corporation. As of 10 April 2026: https://www.rand.org/pubs/research_reports/RRA2771-1.html

Huguet, Alice, Julia H. Kaufman, and Melissa Kay Diliberti. 2024. ‘Social Media Posts Have Power, and So Do You: Stop the Spread of False and Misleading Information During Voting Season.’ RAND Corporation. As of March 27, 2026: https://www.rand.org/pubs/tools/TLA2909-1.html

Jordan, Victoria, Kristin Thue & Jacopo Bellasio. 2022. ‘Malign Use of Algorithmic Amplification of Terrorist and Violent Extremist Content: Risks and Countermeasures in Place.’ RAN Policy Support. European Commission. Not publicly available.

Kenyon, Jonathan, Jens Binder, and Christopher Baker-Beall. 2021. ‘Exploring the role of the Internet in radicalisation and offending of convicted extremists.’ HM Prison & Probation Service. As of 16 April 2026: https://assets.publishing.service.gov.uk/media/614088c2e90e070442fbdde2/exploring-role-internet-radicalisation.pdf

Kreetz, Tristan, Rebecca Lucas, Ondrej Palicka, Jacob Parakilas, and Paul van Hooft. 2025b. ‘Learning and remembering under fire: Proposals for a novel doctrinal system for Ukraine.’ RAND Corporation. As of 16 April 2026: As of 16 April 2026: https://www.rand.org/pubs/research_reports/RRA3833-1.html

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20 April 2026


[1] Ministry of Defence (2025)

[2] Ibid.

[3] Confirmed also in the revised US National Security Strategy (The White House 2025) and the National Defence Strategy (Department of War 2026).

[4] NATO (2026)

[5] Prime Minister’s Office et al. (2025)

[6] NATO (2025a)

[7] For example, the Integrated Procurement Model (Ministry of Defence 2024) and the Segmented Approach to Defence Procurement (Ministry of Defence 2025).

[8] UK Parliament (2026b); UK Parliament (2026c)

[9] Ministry of Decence (2025)

[10] Parker (2025)

[11] Fornusek (2025)

[12] Ministry of Defence (2023)

[13] Caves et al. (2021); NATO (2025a)

[14] Caves et al. (2021); Eken et al. (2024)

[15] Eken et al. (2024); Caves et al. (2021)

[16] NATO (2025a)

[17] Caves et al. (2021); Eken et al. (2024)

[18] Eken et al. (2024)

[19] Caves et al. (2021); NATO (2025a)

[20] NATO (2025a)

[21] Devaux et al. (2022)

[22] Harris et al. (2021); Devaux et al. (2022); Williams and McCulloch (2023)

[23] Cox et al. (2021)

[24] Winder et al (2025)

[25] Kenyon et al (2021)

[26] Eken et al. (2024); Williams and McCulloch (2023)

[27] Dewaele and Lucas (2022)

[28] Toro (2026); Jordan et al. (2022)

[29] Cox et al. (2021)

[30] Toro (2026)

[31] Rinderknecht (2024); Reininger (2021); Huguet, Kaufman, and Diliberti (2024)

[32] Helmus and Holynska (2024)

[33] Toro (2026)

[34] Ibid.

[35] Devaux, Grand-Clement, and Hoorens (2022); Paille et al. (2022)

[36] Helmus and Holynska (2024); Cohen et al. (2021)

[37] Devaux et al. (2019)

[38] Carlyon et al. (2024)

[39] Caves et al. (2021), Eken et al. (2024)

[40] Eken et al. (2024), Caves et al. (2021)

[41] Eken et al. (2024), Caves et al. (2021)

[42] Eken et al. (2024)

[43] Caves et al. (2021), Eken et al. (2024)