[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"legacy-detail-air-force-552X5Y":3},{"code":4,"branch":5,"codeSystem":6,"events":7},"552X5Y","air_force","AFSC",[8],{"title":9,"status":10,"effectiveFrom":11,"effectiveTo":11,"successors":12,"citations":15,"notes":22},"Plumbing, Ballistic Missile","merged",null,[13],{"code":14,"liveCode":11,"name":11},"541X0G",[16],{"title":17,"url":18,"accessedAt":19,"sourceDate":20,"locator":21},"Minuteman Missile Facilities Career Ladder AFS 445XOG.","https://archive.org/details/DTIC_ADA116742","2026-07-30","1982-06-01","Internet Archive full-text OCR lines 288-323; adjudicated excerpt in audit","One predecessor row in an explicit two-to-one merger."]