Tech. Sgt. Rodger Marquez, 28th Civil Engineer Squadron NCO in charge of fire dispatch, performs a signal 5-5-5 ceremony during a special 9/11 reveille ceremony at the base flagpole at Ellsworth Air Force Base, S.D., Sept. 11, 2014. Signal 5-5-5 consists of three sets of five bell rings and recognized in firehouses since 1870, signals a death-generally of a colleague-and signals firefighters to lower the U.S. flag to half staff. (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/ Released)