Had NATO entered the war at any time in the past three years, Russian forces in Ukraine would have been doomed. The United States, using ship- and submarine-launched missiles alone, would have been able to take out the Kursk bridge,

Military capability of Western alliance remains 'formidable' despite questions around untested 'mutual assistance' agreement as Trump pivots away from Europe

The drone barrage forced Polish airports to close. Karol Nawrocki, the president, called it “an unprecedented moment in the history of NATO and Poland.” In a speech to parliament, Mr Tusk called for the “full mobilisation” of NATO members,

Article 5 is an alliance-bound agreement between NATO nations in the case of an attack, as tensions between Russia and Poland increase.