While the U.S. has taken part in previous iterations of the military exercise, this year's U.S. footprint was smaller as allied nations are pressed by the Trump administration to put more into European defense.

Holly Williams reports from a NATO warship off the coast of Italy, where America's allies are preparing for a possible conflict with Russia.

Vladimir Putin told his top officials that Donald Trump's peace plan could be the 'basis' of ending the war - just before an attack on Ukraine forced NATO to scramble war planes overnight

A full-scale invasion of Poland, in the manner Russia invaded Ukraine, is rather not viable, given Russia's current military capacities, Poland's military build-up and the collective defense guarantees of NATO membership, Michnik said, "however, this reality must not diminish Poland’s ongoing preparation."

Russia's mysterious UVB-76 radio station sent coded messages mentioning Latvia. This has fueled fears of a Russian attack and a possible World War III. The station, known as 'The Buzzer,' is linked to Russia's military communication.

A spokesperson for Poland's special services minister accused Russian intelligence Tuesday of orchestrating a railway blast that destroyed a key track on a route used to deliver aid to Ukraine. Jacek Dobrzyński told reporters that "everything indicates" Russian intelligence was behind the sabotage of Polish railways.

Military capability of Western alliance remains 'formidable' despite questions around US commitment to untested 'mutual assistance' agreement

Exclusive: Russia reacts after a key rail line in Poland was struck by an explosive device, with Moscow blamed.

NATO scrambled fighter jets in Polish and Romanian airspace overnight as Russia carried out massive drone and missile strikes in western Ukraine, killing at least 25 people, three of them children.

Tensions rose after a blast damaged the Warsaw-Lublin rail line, which has been used to deliver aid to Ukraine, and a Russian missile attack killed at least 25 people in Ternopil.

A blast ripped through Poland’s vital Warsaw-Lublin railway line early Sunday, shattering the calm near the village of Mika and sending shockwaves across Europe. The explosion, caused by military-grade C4,