[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"legacy-detail-air-force-1C890":3},{"code":4,"branch":5,"codeSystem":6,"events":7},"1C890","air_force","AFSC",[8],{"title":9,"status":10,"effectiveFrom":11,"effectiveTo":12,"successors":13,"citations":16,"notes":22},"Superintendent Ground Radar/Airfield Systems Maintenance","converted",null,"2017-10-31",[14],{"code":15,"liveCode":11,"name":11},"1C891",[17],{"title":18,"url":19,"sourceDate":12,"accessedAt":20,"locator":21},"Air Force Enlisted Classification Directory (AFECD), 31 October 2017","https://inghro.idaho.gov/hr/classification/AFECD/AFECD_31_Oct_2017.pdf","2026-07-30","embedded Attachment 1 CS&CIG page 3","CS&CIG source assertion (Direct): 1. AFSC 1C890 is deleted as authorized identifier in the enlisted classification structure. 2. All 1C890 personnel will directly convert to 1C891. Conversion instructions: MPS: 1, 3, 5. AFPC: 1, 3, 5, 9. Manpower: 1, 3, 5, 10."]