Airman 1st Class Brady Womack rings a bell in memory of those lost on 9/11 during the 20th anniversary 9/11 Remembrance Ceremony, Sept. 10, 2021 on F. E. Warren Air Force Base, Wyoming. The event included a ceremony, followed by a ruck march. More than 100 individuals participated in the event honoring those lost twenty years ago in the terror attacks of Sept. 11, 2001. (U. S. Air Force photo by Glenn S. Robertson)