Western intelligence services have warned for years that Moscow is trying to boost its traditional military capabilities.

Romania scrambled fighter jets as two Russian drones crossed into the country's airspace from Ukraine on Tuesday.

MOSCOW - Russian Foreign Minister Sergei Lavrov said on Tuesday that an amended peace plan for Ukraine must reflect the \"spirit and letter\" of understandings reached between President Vladimir Putin and U.

The leaked plan, which has since been revised to 19 points, initially demanded Ukraine make heavy concessions – including giving up territory in the east, capping the size of its military and agreeing to never join NATO – while asking Russia to barely give up anything.

Some of America's closest European allies say they're already in a gray zone between peace and war with Russia.

"It’s very easy to draw the wrong conclusions from the war in Ukraine," Drummond said, referring to slow progress on the front line, adding that a future conflict with a reconstituted Russian armed forces would be "fast paced" with a greater use of air power in the opening weeks.

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

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.

NATO Secretary-General Mark Rutte says a US peace proposal has helped bring Kyiv and Washington closer together on the way toward ending the war between Russia and Ukraine, Europe's biggest and deadliest conflict since World War II.