Multiple agencies stage different emergency response vehicle during a 9/11 Remembrance Ceremony, Sept. 11, 2020, at the flagpole on F. E. Warren Air Force Base, Wyo. The event included a ceremony, followed by a ruck march. More than fifty individuals participated in the event honoring those lost in the terror attacks of Sept. 11, 2001. (U. S. Air Force photo by Glenn S. Robertson)