In the early hours of September 10th, Polish authorities detected 19 Russian drones over Polish airspace. This incident represents a major escalation, with Poland triggering Article 4 of the NATO Treaty. At a minimum, this was an attempt by Russia to get European nations to back down from their support for Ukraine and to expose the Alliance as a paper tiger. The attack also provided the Kremlin with key insights into Poland and NATO's air defenses and its chain of response. So how do we understand what happened and what needs to happen?

To answer those very hard questions, we're very fortunate to have Doug Lute and Kurt Volker with us.

Ambassador (Ret.) Douglas Lute served as the United States Ambassador to NATO from 2013–2017.

Ambassador (Ret.) Kurt Volker served as the United States Ambassador to NATO from 2008–2009 and as the U.S. Special Representative for Ukraine Negotiations from 2017–2019.