Senior Airman Zachary Felten examines minuscule circuits on a of the circuit cards from an FCC-100 multiplexer Jan. 22 at Balad Air Base, Iraq. Each card can receive upwards of 50 signals at any moment and send them to air traffic control scopes which projects an image of the air space. No job is too small for the communications Airmen who maintain the systems that monitor combat air space here. Airman Felten is a 727th Expeditionary Air Control Squadron tech controller deployed from Eglin Air Force Base, Fla. (U.S. Air Force photo/Senior Airman Julianne Showalter)