[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"legacy-detail-air-force-551X1":3},{"code":4,"branch":5,"codeSystem":6,"events":7},"551X1","air_force","AFSC",[8],{"title":9,"status":10,"effectiveFrom":11,"effectiveTo":12,"successors":13,"citations":17,"notes":24},"Construction Equipment Operator","merged",null,"1993-10-31",[14],{"code":15,"liveCode":15,"name":16},"3E2X1","Pavements and Construction Equipment",[18],{"title":19,"url":20,"accessedAt":21,"sourceDate":22,"locator":23},"Pavements and Construction Equipment Operator, AFSC 3E2X1","https://apps.dtic.mil/sti/tr/pdf/ADA311280.pdf","2026-07-28","1996-05","Introduction, report p. 1; comparison with prior AFSCs 551X0 and 551X1, report pp. 63-67","The official report states AFSC 3E2X1 was created on 31 October 1993 during restructuring and compares it with the predecessor 551X0/551X1 ladders, evidencing their consolidation. Confidence: medium because the conversion sentence says 'this AFSC' rather than listing both predecessor codes inline."]