Airmen from the Blue Knights honor guard team salute during the playing of the national anthem during the RAIDR 21 memorial ceremony July 21, 2019 at Andersen Air Force Base, Guam. The memorial was held in remembrance of the Airmen who lost their lives during a fly over for Liberation Day in 2008. (U.S. Air Force photo by Airman 1st Class Amir R. Young)