[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"legacy-detail-air-force-563X0A":3},{"code":4,"branch":5,"codeSystem":6,"events":7},"563X0A","air_force","AFSC",[8],{"title":9,"status":10,"effectiveFrom":11,"effectiveTo":12,"successors":13,"citations":16,"notes":23},"Water Supply and Treatment","merged",null,"1975-05",[14],{"code":15,"liveCode":11,"name":11,"liveBranch":11},"566X1",[17],{"title":18,"url":19,"accessedAt":20,"sourceDate":21,"locator":22},"Environmental Support Career Ladder, AFSC 566X1.","https://archive.org/details/DTIC_ADA154754","2026-07-30","1985-01-01","Internet Archive full-text OCR around char offset 8,392; governing lineage context verified","One changing predecessor in the explicit two-shredout collapse into the report's stated present designation; printed shredout code preserved. Verified source wording: “Environmental Support Specialty (AFSC 566X1). In July 1971, the specialty was renamed Engineering Environmental Support and two shredouts were created: Water Supply and Treatment (563X0A) and Waste Water and Sanitation (563X0B). In May 1975, the shredouts were dropped and the specialty assumed its present title and designation.”"]