Ukraine's former top military commander has warned that NATO's warfare model is outdated. Valerii Zaluzhnyi said NATO's tactics needed a major overhaul to match Ukraine's battlefield innovations.

What had been a fraught border crossing marked by intrusive inspections and suspicious guards became as simple as slipping ...

LONDON -- Joe Biden said in his first post-presidential interview that President Donald Trump’s pressure on Ukraine to give up territory to Russia amounts to “ modern-day appeasement,” a ...

Valerii Zaluzhnyi, now Ukraine's ambassador to the UK, delivered a warning to the country's Western allies about the rapidly changing nature of modern warfare — amid what he described as the ...

Joe Biden criticized the Trump administration's Ukraine policy as "modern-day appeasement" of ... has called a return to Ukraine's pre-2014 borders "unrealistic," and last month, Vice President ...

LONDON — Joe Biden said in his first post-presidential interview that President Donald Trump’s pressure on Ukraine to give up territory to Russia amounts to “modern-day appeasement,” a ...

COVERING PERRY AND CUM Joe Biden said in his first post-presidential interview that President Donald Trump’s pressure on Ukraine to give up territory to Russia amounts to “modern-day ...

Ukraine said Friday it had exposed a network of Hungarian spies trying to obtain defense secrets in a border region of Ukraine – the first time it said such an operation has been discovered.