KADENA AIR BASE, Japan-- Airman 1st Class Jackie Elton, 18th Component Maintenance Squadron aerospace propulsion systems apprentice, disassembles an F-15 engine as part of five-week upgrade training at Detachment 15, 372nd Training Squadron. Det 15 has hands-on training devices to better teach what maintainers will see on the flightline in their jobs. (U.S. Air Force photo/Scott Hallford)