Two generations of air traffic controllers keep Nellis sky safe
NELLIS AIR FORCE BASE, Nev. -- Retired Chief Master Sgt. Tom Miller looks over his daughter's shoulder, Staff Sgt. Deniece Miller, as they view a radar screen at the air traffic control facility here. They are assigned to the 57th Operations Support Squadron here. (U.S. Air Force photo by Tech. Sgt. Demetrius Lester)