U.S. Air Force Senior Master Sgt. Leray Smedley, 83d Network Operations Squadron, flight chief of cyber operations, utilizes a doughnut as an analogy of the missing pieces taught in American history throughout his speech during the Black History Month lunch and celebration at Joint Base Langley-Eustis, Virginia, Feb. 23, 2023. The Langley African American Heritage Council honors many African American contributors to technological advancement that have helped shape the course of history during this year’s theme of “Black in Tech”. (U.S. Air Force photo by Airman 1st Class Olivia Bithell)