The Cipher Brief: National Security news, analysis and expert commentary.

Former CIA Director General David Petraeus (Ret.) doesn’t mince words: Russia’s 19-drone incursion into Polish airspace was no accident — it was a deliberate test of NATO’s resolve. Joining The State Secrets Podcast from Kyiv, Ukraine, General Petraeus lays out Ukraine’s breathtaking innovation in drone warfare, noting that units now fly thousands of missions daily, with entire regiments springing up to meet demand. But the Russians are innovating, too. So, what does that mean for the future of this war and those to come?

Former British diplomat and current Cipher Brief expert Tim Willasey-Wilsey is just out with a book called “The Spy and the Devil: The Untold Story of the MI6 Agent Who Penetrated Hitler’s Inner Circle” We’ll talk with him about the never before told story of Baron Wilhelm Von de Ropp, a German aristocrat, who became a British citizen and who spied on the Nazis for the UK from 1931 to 1939.The book is a deeply researched and documented work of history. “Bill de Ropp” as he came to be known had multiple personal meetings with Adolf Hitler and was credited in 1938 as providing at least 70% of MI-6’s German political intelligence.