A fire engine assigned to the 1st Special Operations Civil Engineer Squadron sits on the flightline at Hurlburt Field, Florida, Sept. 11, 2020. The Hurlburt Field fire and emergency services providers held a memorial ceremony dedicated to the 2,977 victims of 9/11, especially the hundreds of first responders who lost their lives while responding to the attack. (U.S. Air Force photo by Tech. Sgt. Victor J. Caputo)