First responders stand at parade rest during the 9/11 Remembrance Ceremony at Joint Base Andrews, Md., on Sept. 10, 2021. The ceremony honored first responders at the Pentagon, in New York City, in Shanksville, Pa., and around the country. They ran towards danger, and their dedication, courage and bravery saved many lives. (U.S. Air Force photo by Airman 1st Class Bridgitte Taylor)