OFFUTT AIR FORCE BASE, Neb. -- Airman 1st Class Derrick Miller, an air traffic controller apprentice assigned to the 55th Operations Support Squadron, spends time in an air traffic control simulator with a 180 degree monitor with a detailed view of Offutt Air Force Base, Neb., as part of routine training, Feb. 24. (U.S. Air Force photo/Josh Plueger)