The war in Ukraine has brought into focus the NATO alliance unlike any conflict since its inception. Our Ukrainian partners are now waging the largest war in Europe since World War II, and NATO is set to grow in membership and investment due to unwarranted and illegal Russian aggression. What should the role of NATO SOF forces be in the future? How should NATO posture itself for irregular warfare? What capabilities are missing from the Alliance’s tool box as it forges integrated deterrence in the future?