Remembrance Ceremony Air Force Master Sgt. Christian Navarro-Salazar salutes during a 9/11 remembrance ceremony at Royal Air Force Alconbury, England, Sept. 9, 2021. SHARE IMAGE: Download Image: Full Size (0.76 MB) Tags: Observances, 9/11 , Air Force Photo By: Air Force Senior Airman Eugene Oliver VIRIN: 210909-F-VS137-1005C.JPG Photo Gallery