[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"legacy-detail-air-force-321X0":3},{"code":4,"branch":5,"codeSystem":6,"events":7},"321X0","air_force","AFSC",[8],{"title":9,"status":10,"effectiveFrom":11,"effectiveTo":12,"successors":13,"citations":16,"notes":23},"Bomber-Navigation Mechanic","converted",null,"1988-10",[14],{"code":15,"liveCode":11,"name":11},"456X0",[17],{"title":18,"url":19,"accessedAt":20,"sourceDate":21,"locator":22},"Bomb-Navigation Systems, AFSC 321X0","https://archive.org/details/DTIC_ADA196894","2026-07-30","1988-05-01","Internet Archive full-text OCR around char offset 8,174; governing lineage context verified","Fixed-date scheduled conversion is definite; the contemporaneous task pickup from AFSC 404X1 is a duties transfer and is excluded as a separate event. Verified source wording: “Effective October 1988, AFSC 321X0 will convert to AFSC 456X0 and pick up tasks from the Aerospace Photographic System (AFSC 404X1) career ladder involving photographic equipment on the B-52.”"]