Estonia will buy six new U.S.-made High Mobility Artillery Systems (HIMARS) as European members of NATO rush to build up their military arsenals, including stocks of artillery systems used by Ukrainian soldiers against Russian forces.

Romania’s defense chief said the NATO member state will soon be able to deploy a US-supplied anti-drone system to thwart a rising number of airspace breaches by Russia.

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

"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.

Russia is threatening to reject President Donald Trump's Ukraine peace plan unless "key understandings" from his Alaska summit with President Putin are upheld.

Poland’s deputy prime minister said he expects Russia to escalate its sabotage activities in the country following an explosion on a busy rail route to Ukraine for which authorities blame Moscow.

A Russian research ship recently pointed lasers at Royal Air Force patrol aircraft and is believed to have attempted to jam GPS signals while operating in the vicinity of the U.K.’s Exclusive Economic Zone (EEZ).

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.