[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"legacy-detail-air-force-423X6":3},{"code":4,"branch":5,"codeSystem":6,"events":7},"423X6","air_force","AFSC",[8],{"title":9,"status":10,"effectiveFrom":11,"effectiveTo":12,"successors":13,"citations":16,"notes":23},"In-Flight Refueling System Mechanics","merged",null,"1977",[14],{"code":15,"liveCode":11,"name":11},"423X4",[17],{"title":18,"url":19,"accessedAt":20,"sourceDate":21,"locator":22},"Aircraft Pneudraulic Systems Mechanic Career Ladder AFSC 423X4.","https://archive.org/details/DTIC_ADA143019","2026-07-30","1984-06-01","Internet Archive full-text OCR lines 385-420; adjudicated excerpt in audit","Explicit incorporation into the successor career ladder."]