Could you stop World War Three?

Britain and Nato regularly simulate war games against hypothetical opponents, so that they are ready for crises that arise in the real world.

Former senior figures from the world of the British military, as well as politics and diplomacy have gathered to demonstrate the issues for the BBC, with a scenario set in Eastern Europe.

Enter the war room and discover if you could make the difficult decisions.

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Image caption Former military, political and diplomatic figures come together to war game a hypothetical scenario