Poland and UK Sign Historic Defence Treaty in London
On May 27, 2026, Polish PM Donald Tusk and UK PM Keir Starmer signed a historic bilateral defence treaty at the Battle of Britain Bunker in Uxbridge, London. The agreement strengthens conventional defence, cybersecurity, joint air/missile defence systems, and counter-drone/electronic warfare cooperation. It explicitly names Russia as the primary threat, commits to mutual military assistance under NATO Article 5, and covers migration policy, support for Ukraine, and countering hybrid threats. Both leaders emphasized the treaty reinforces NATO and transatlantic solidarity.
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UK and Poland Sign Defence Treaty Citing Russian Threat
The United Kingdom and Poland signed a landmark defence treaty at the Battle of Britain Bunker at RAF Northolt, with both nations explicitly naming Russia as the most significant long-term threat to European security. The treaty commits both parties to mutual military assistance, including in accordance with NATO Article 5, and to countering Russian aggression and interference in all forms. It also covers enhanced interoperability, joint procurement, defence industrial cooperation, and collaboration against hybrid threats such as sabotage, cyber attacks, and foreign information manipulation. British Prime Minister Starmer called it the biggest step forward in bilateral defence relations in a generation, while Polish Prime Minister Tusk said it raises relations to the highest possible level and forms part of Poland's broader security strategy alongside NATO, the US alliance, and EU programmes.
UK Defence JournalUK and Poland Sign Defence Treaty Citing Russian Threat
The United Kingdom and Poland signed a landmark defence treaty at the Battle of Britain Bunker at RAF Northolt, with both nations explicitly naming Russia as the most significant long-term threat to European security. The treaty commits both parties to mutual military assistance, including by military means, in accordance with NATO Article 5. It also covers enhanced interoperability, joint procurement, defence industrial cooperation, and countering hybrid threats such as sabotage, cyber attacks, and foreign information manipulation. UK Prime Minister Starmer called it the biggest step forward in bilateral defence relations in a generation, while Polish Prime Minister Tusk said it raises relations to the highest possible level and forms part of Poland's broader security strategy alongside NATO, the US alliance, and EU programmes. The treaty builds on a 2017 defence cooperation treaty and a 2023 joint declaration.
UK Defence JournalPoland and UK Sign Historic Defence Treaty in London
On 27 May 2026, Polish Prime Minister Donald Tusk and UK Prime Minister Keir Starmer signed a historic bilateral treaty on partnership in security and defence in Uxbridge, London, a site significant for WWII Polish RAF pilots. The treaty aims to strengthen conventional defence cooperation, enhance cybersecurity, and accelerate joint responses to threats before full NATO consensus is reached. It includes joint development of next-generation medium-range anti-aircraft missiles, air and missile defence systems, and increased interoperability in counter-drone operations, electronic warfare, and engineering support. The agreement also covers migration policy, coordination of support for Ukraine, and countering cyberattacks and disinformation. Both leaders emphasized the treaty reinforces NATO and transatlantic solidarity, not competes with it. This follows a similar Polish-French treaty signed in May 2025.
Defence24.comPoland and UK Sign Historic Defence Treaty in London
On 27 May 2026, Polish Prime Minister Donald Tusk and UK Prime Minister Keir Starmer signed a historic bilateral treaty on security and defence partnership in Uxbridge, London—the former RAF command center for Polish 303 Squadron during WWII. The treaty aims to strengthen conventional defence cooperation, enhance cybersecurity in both countries, and accelerate joint development of next-generation medium-range anti-aircraft missiles and air defence systems. It also includes joint land force exercises focusing on counter-drone operations, electronic warfare, and engineering support. Both leaders emphasized the treaty reinforces NATO rather than competes with it, enabling faster bilateral responses before full NATO consensus. The agreement also covers migration policy coordination, support for Ukraine, and countering cyberattacks and disinformation. This follows a similar Polish-French treaty signed in May 2025.
Defence24.comPoland and UK Sign Historic Defence Treaty in London
On May 27, 2026, Polish Prime Minister Donald Tusk and UK Prime Minister Keir Starmer signed a historic bilateral treaty on security and defence partnership in Uxbridge, London, the former WWII command center for Polish pilots. The treaty aims to strengthen conventional defence cooperation, enhance cybersecurity, and develop joint air and missile defence systems, including next-generation medium-range anti-aircraft missiles. Tusk emphasized the treaty reinforces NATO by enabling faster bilateral responses before full Alliance consensus, while Starmer highlighted new joint investment opportunities. The agreement also covers defence industry collaboration, migration policy, support for Ukraine, joint military exercises in counter-drone and electronic warfare, and countering cyberattacks and disinformation. This follows a similar Polish-French treaty signed in May 2025.
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