Maintaining avionic systems
Airman 1st Class Ethan Meyers, 2nd Maintenance Squadron communication navigation mission systems apprentice, removes a wave guide from avionics equipment on Barksdale Air Force Base, La., June 18, 2013. Because avionics equipment require more power to run, wave guides are used instead of wires. (U.S. Air Force photo/Airman 1st Class Benjamin Gonsier)