Avionics technicians assigned to the 23rd Aircraft Maintenance Unit at Spangdahlem Air Base, Germany, discuss repairs on an F-16 Fighting Falcon that experienced an in-flight malfunction Aug. 29. Avionics specialists must be familiar with nearly 40 separate avionics systems that are built into the multi-role fighter. (U.S. Air Force photo/Master Sgt. Scott Wagers)