One year ago, on August 15, 2021, the Taliban swept into power in Kabul. It's a day that many remember, as videos and images showed a chaotic scene at the Kabul airport, with thousands of Afghans desperately trying to flee the country. Lt. Col. Chris Richardella was one of the officers leading the U.S. Marine Corps at the airport when the Taliban took over. In a conversation with NPR's Mary Louise Kelly, he recounts what followed.In participating regions, you'll also hear a local news segment to help you make sense of what's going on in your community.Email us at considerthis@npr.org.