Retired Col. Carl C. Johnson, a Tuskegee Airman, speaks with Heather Penney, a former U.S. Air Force F-16 fighter pilot, during the Tuskegee Airmen PT-17 Stearman Aircraft Exchange ceremony at Joint Base Andrews, Md., July 26, 2023. Penney is known for flying a ramming mission to prevent United Airlines Flight 93 from reaching Washington, D.C. during the 9/11 terrorist attacks in 2001. (U.S. Air Force photo by Senior Airman Tyrone Thomas)