Capt. Amanda Hobbs, 34th Bomb Squadron instructor pilot and supervisor of flying in Ellsworth’s control tower speaks with ground crews at Ellsworth Air Force Base, S.D., Sept. 22, 2014. The supervisor of flying acts as a liaison between pilots and controllers to maintain two-way communication that is critical for all missions to be carried out safely and effectively. (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/ Released)