Analysts say the exercise exposed vulnerabilities that could be exploited long before the continent is fully prepared. The scenario has reignited debate over how quickly a wider crisis could unfold. A ...

A chilling simulation has laid bare the devastating potential of Russia's latest nuclear missile on American soil. Vladimir Putin recently confirmed the successful testing of the new Sarmat strategic ...

Huddled on a disused underground train platform in central London, hundreds of British soldiers played out their response to ...