Members of the 28th Civil Engineer Squadron fire department, emergency medical services and the 28th Security Forces Squadron form up at the 9/11 memorial ceremony outside of the 28th Bomb Wing headquarters at Ellsworth Air Force Base, S.D., Sept. 11, 2018. As a result of the 9/11 terrorist attack, 412 first responders died and countless others were injured while trying to save the lives of others. (U.S. Air Force photo by Airman Christina Bennett)