Tech. Sgt. Alex Babbie and Senior Airmen Josh Clemons, 407th Expeditionary Maintenance Squadron avionics specialists, reprogram the common central interface unit of an F-16 Fighting Falcon at the 407th Air Expeditionary Group Feb. 4, 2017. The CCIU acts as the weapons brain for the aircraft and must be programmed for the combat load the aircraft is carrying. (U.S. Air Force photo/Master Sgt. Benjamin Wilson)(Released)