Staff Sgt. Joseph Decker, 56th Component Maintenance Squadron aerospace propulsion journeyman, educates the Airmen of the Immersion program group on jet engine facts and maintenance processes at Luke, Nov. 13, 2015. For some of the Airmen in the group, the Immersion program gave them their first experience in any part of the processes and procedures involved in maintaining aircraft. (U.S. Air Force photo by Airman 1st Class Ridge Shan)