Tech. Sgt. Julnudda Jackson, 455th Expeditionary Aircraft Maintenance Squadron communication and navigation craftsman, performs a preflight inspection on the communications systems of a C-130 Hercules July 13, 2011, on the flightline at Bagram Airfield, Afghanistan. Jackson is deployed from the Alaska Air National Guard's 176th Wing at Joint Base Elemendorf-Richardson. He's a resident of Anchorage, Alaska, where he is a police officer as well as a college professor of criminal justice. (U.S. Air Force Photo/Senior Airman Patrick McKenna)