Members of the Dover Fire Department look on during the 20th Anniversary 9/11 Remembrance Ceremony held at the Air Mobility Command Museum’s 9/11 Memorial on Dover AFB, Delaware, Sept. 11, 2021. The base hosted the ceremony to remember and honor those who perished in the attacks on Sept. 11, 2001. (U.S. Air Force photo by Senior Airman Stephani Barge)