[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"legacy-detail-air-force-552X1":3},{"code":4,"branch":5,"codeSystem":6,"events":7},"552X1","air_force","AFSC",[8],{"title":9,"status":10,"effectiveFrom":11,"effectiveTo":11,"successors":12,"citations":15,"notes":22},"Masonry Specialist","merged",null,[13],{"code":14,"liveCode":11,"name":11},"55273",[16],{"title":17,"url":18,"accessedAt":19,"sourceDate":20,"locator":21},"Carpentry and Masonry Career Ladders, AFSCs 552X0/552X1/55273.","https://archive.org/details/DTIC_ADA157145","2026-07-30","1985-01-01","Internet Archive full-text OCR lines 451-486; adjudicated excerpt in audit","Merger applies at the 7-skill level."]