James Appathurai from NATO compares the war in Ukraine to a blend of World War One and Three, emphasizing the importance of technology in modern warfare. Ursula von der Leyen highlights the need for EU countries to rely on European defense supply chains. Bohdan Sas from Buntar Aerospace discusses lessons learned from the war, stressing the necessity for strategic spending and rapid innovation in defense technology. The article underscores the urgency for Europe to adapt its defense strategies and procurement processes.