Nellis commemorates 23 years since 9/11 Published Sept. 24, 2024 By Staff Sgt. Samantha Krolikowski 57th Wing Public Affairs NELLIS AIR FORCE BASE, Nevada -- U.S. Air Force Staff Sgt. Adam Striejewske, a firefighter assigned to the 99th Civil Engineer Squadron, rings a bell during a 9/11 ceremony at Nellis Air Force Base, Nevada, Sept. 11, 2024. The bell honors firefighters who lost their lives and made the ultimate sacrifice. (U.S. Air Force photo by Staff Sgt. Samantha Krolikowski)