Russian President Vladimir Putin's war in Ukraine and President Trump's tough stance on NATO have 'energized' the alliance into action, experts explain unique circumstances that led to unprecedented commitments.

The British defense chief is expected to urge Ukraine’s Western partners at the meeting to launch a “50-day drive” to get Kyiv the weapons it needs to fight Russia’s bigger army.

Ukraine's air force said on Monday Russia had fired 426 drones and 19 cruise missiles at the country overnight, as well as five hypersonic ballistic missiles.

The problem is not [that] Another challenge lies in Russia’s evolving drone deployment strategy. With rising production, Moscow is now simultaneously dispatching large swarms of drones, concentrating them on selected targets rather than chaotically scattering them across the country.

The virtual meeting of high-level military officials was led by British Defense Secretary John Healey and his German counterpart Boris Pistorius. U.S. Defense Secretary Pete Hegseth and NATO leader Mark Rutte, as well as NATO’s Supreme Allied Commander Europe, Gen. Alexus Grynkewich, attended the so-called Ukraine Defense Contact Group meeting.

General Christopher Donahue, commander of U.S. Army Europe and Africa, said allies could seize Kaliningrad "in a timeframe that is unheard of."

Russia unleashed one of its largest aerial assaults on Ukraine in recent months hours before Britain and Germany chaired a meeting Monday to discuss U.S. President Donald Trump’s plans for NATO allies to provide Ukraine with weapons.

NATO's enhanced ground capabilities in the Baltic region spark Russian warnings as military focus intensifies on Kaliningrad and the strategic Suwalki Corridor

Flight data showed how American and British reconnaissance aircraft flew from England toward Russia on Monday.