Iron Swap
Senior Airman Timothy Cullen, a 19th Aircraft Maintenance Squadron electronic and environmental systems journeyman, and Staff Sgt. Joshua Jorgensen, a 19th AMXS crew chief, troubleshoot a warning light June 9, 2015, at Little Rock Air Force Base, Ark. After reloading software to an electronic circuit breaker unit, the issue was resolved. (U.S. Air Force photo by Senior Airman Stephanie Serrano)