U.S. Air Force Brian Mack, 423rd Security Forces Squadron commander, holds a folded U.S. flag during a 9/11 remembrance ceremony at RAF Alconbury, England, Sep. 9, 2020. Airmen from the 501st Combat Support Wing along with cadets from the Alconbury High School JROTC participated in the ceremony to honor those who lost their lives during the September 11th terrorist attacks.(U.S. Air Force photo by Senior Airman Eugene Oliver)