A massive Russian drone and missile attack on Ukraine over the weekend prompted a direct military response from NATO. Polish and other allied jets were scrambled as a precaution during the hours-long barrage.

An unidentified drone suspected to have come from Belarus entered into Lithuanian airspace on Monday, according a local outlet. Darius Buta, a representative of Lithuania's National Crisis Management Center, told public broadcaster LRT that a drone was spotted at an altitude of approximately 650 feet near the capital city of Vilnius.

Business Insider got access to a NATO AWACS flight for an eight-hour surveillance mission over Eastern Europe.

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.

At the end of the day, the EU needs U.S. weapons to keep Ukraine afloat into its struggle for survival against Russia.”

A Norwegian P-8A "Poseidon" flew close to Russia's major submarine hubs in the Murmansk region before heading to the Norwegian archipelago of Svalbard.

Russia’s arms production has significantly ramped up, but NATO still holds key advantages in modern artillery systems and aircraft despite exaggerated claims of Russian superiority.

President Trump said he had decided to shorten a 50-day deadline he had given Russia to end the conflict or face punishing new sanctions.

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

The US ambassador to NATO said China needed to be “called out for their subsidizing” of Russia’s war in Ukraine as the Trump administration ratchets up its threat to impose tariffs if Moscow does not agree to a peace deal.

Polish and allied NATO aircraft were scrambled in response to a large Russian drone and missile attack launched into Ukraine on Sunday night, the Polish military's Operational Command said in a statement.