U.S. Air Force Senior Airman Jamie Matanane, a Reserve Citizen Airman with the 624th Regional Support Group Knowledge Operations Management alternate operating location in Guam, tests newly installed electronic components during a rebuild for an outdated testing station March 9, 2018, at Andersen Air Force Base, Guam. Five testing stations, which are used for individual Professional Military Education and career field upgrade testing, were rebuilt and restored to improve 624th RSG Test Control Office capabilities and sustainability for Reserve Citizen Airmen in Guam. (U.S. Air Force photo by Jerry R. Bynum)