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UK and Ireland sign landmark defence pact to counter modern threats

Breaking decades of limited collaboration, the UK and Ireland unite on defence. From cyber threats to undersea cables, this pact redefines their security partnership.

The image shows a group of ships on the water with a cloudy sky in the background. At the bottom of...
The image shows a group of ships on the water with a cloudy sky in the background. At the bottom of the image, there is text and a logo that reads "15 NATO and two partner nations demonstrating maritime, anti-subsurface warfare, amphibious, and air defense operations to ensure regional security in the Baltic".

UK and Ireland sign landmark defence pact to counter modern threats

The United Kingdom and Ireland have signed a renewed defence agreement to deepen security ties. The updated Memorandum of Understanding was finalised during the UK-Ireland Leaders' Summit in Cork. It marks a step forward in joint efforts to tackle modern threats.

UK Defence Secretary John Healey and Ireland's Minister for Defence Helen McEntee put pen to paper on the new framework. The agreement expands cooperation beyond previous limits, covering maritime security, cyber defence, and air domain awareness.

For the first time, the two nations will explore joint procurement of military equipment. This shift follows years of limited collaboration due to Ireland's neutrality. Dialogues since 2020, including talks after Brexit and Russia's invasion of Ukraine, paved the way for closer ties.

The memorandum also strengthens information sharing in air and cyber domains. Both sides aim to boost situational awareness and resilience against emerging threats. Protecting undersea infrastructure, such as cables and pipelines, remains a key priority.

McEntee highlighted the need to adapt to an evolving security landscape. Healey described the updated framework as a modernised approach to defence cooperation between the two nations.

The new agreement opens doors for joint procurement and deeper intelligence sharing. It reflects a growing alignment on security challenges, despite Ireland's long-standing neutrality. The deal sets a foundation for future collaboration in defence and crisis response.

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