Senior Airman Cody Candrea, 28th Aircraft Maintenance Squadron instrument flight controls technician, adjusts the self contained attitude indicator systems in a B-1 cockpit during routine maintenance at Ellsworth Air Force Base, S.D., May 15, 2013. Instrument flight control technicians specialize in electronics and avionics, and maintain and repair everything from radar and communications systems to flight controls and weapon systems. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)