UK to Conduct Largest Home Defence Wargame Since Cold War

UK unveils major wargame simulating hybrid attacks. Operation Albiston Shadow set for 2027 with military and emergency services.

Editorial Desk

September 14, 2026 One Min Read

POLICY WIRE — London, United Kingdom — The UK is preparing for its most extensive domestic defence simulation since the Cold War, with a major wargame set to test how local authorities, emergency services, and the military would respond to a large-scale hybrid attack.

The exercise, named Operation Albiston Shadow, will take place in 2027 and involve cabinet ministers, military personnel, and hundreds of public sector officials. It is part of broader defense and resilience planning efforts aimed at strengthening national preparedness against evolving threats.

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A recent unofficial wargame highlighted widespread interest among local authorities and emergency services in practicing for worst-case scenarios. This initiative aligns with a larger NATO exercise and underscores growing concerns over potential security challenges in the coming years.

Reporting by Policy-Wire (PW)

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