How is Article 5 of the North Atlantic Treaty triggered, and what happens once it’s activated?
How did the 9/11 terrorist attacks impact both the United States and its NATO Allies, and why did NATO respond the way it did?
What was the significance of NATO’s operations in Afghanistan and how did they change the Alliance?

In this episode, former NATO Secretary General Lord Robertson of Port Ellen shares his memories of 11 September 2001, and the historic months and years that followed, including the declaration of Article 5 of the North Atlantic Treaty and beginning of NATO operations in Afghanistan. He also discusses the difference between Allies’ involvement in Afghanistan and Iraq, the optimism for NATO-Russia relations in the early 2000s, and advice he would give to the incoming Secretary General.

Why did the Baltic States and other countries of Central and Eastern Europe choose to join NATO after the end of the Cold War?
Why was the 2004 enlargement of NATO known as the “Big Bang” enlargement?
How do NATO’s smaller member countries contribute to the Alliance?

In this episode, former President of Latvia Dr Vaira Vīķe-Freiberga shares her extraordinary life story – from fleeing Latvia as a child at the end of the Second World War, to building a life in Canada for 50 years, to becoming President of Latvia after the country re-established its independence in 1991. Dr Vīķe-Freiberga reflects on her personal experiences, her country’s journey to becoming a NATO member in 2004 (alongside Bulgaria, Estonia, Lithuania, Romania, Slovakia and Slovenia), and on the future of NATO.

Why did NATO open its door to former Warsaw Pact adversaries after the end of the Cold War?
What was the process for Czechia, Hungary and Poland to join the Alliance?
How has NATO changed in the 25 years since this historic enlargement?

In this episode, former Hungarian Foreign Minister János Martonyi and former Czech Ambassador to NATO Karel Kovanda share their perspectives on this transformative era in NATO history. They reflect on their youths, growing up under communism in Warsaw Pact countries, witnessing the end of the Cold War in 1989, and helping to lead their countries into NATO in 1999. They also discuss how their countries have contributed to the Alliance over the past 25 years, and where NATO is heading in the future.