Ellie Cook is a Newsweek security and defense reporter based in London, U.K. Her work focuses largely on the Russia-Ukraine war, the U.S. military, weapons systems and emerging technology.

Poland has been massively investing in its military since Russia's full-scale invasion of Ukraine, last year offering military training programmes for civilians to maximise combat readiness.

NATO scrambled its warplanes early today in response to a fierce Russian bombardment of Ukraine close to its border with Poland ... head of the Ivano-Frankivsk military administration, said ...

Poland claims Russia violated its airspace by launching as missiles launched on Ukraine travelled through Poland, and in response Warsaw has increased its military vigilance and deployed defensive ...