Poland wants to launch Article 4 of NATO. What does that mean for the Alliance?

Zdjęcie: Polska może uruchomić artykuł 4. NATO. Oto do czego zobowiązuje inne państwa


After an unprecedented breach of the Polish airspace by Russian drones, the Polish authorities want to launch the 4th article of the NATO Treaty. For the last time, this decision took place after Russia's full-scale aggression against Ukraine. This is what it involves.