[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"legacy-detail-marines-9812":3},{"code":4,"branch":5,"codeSystem":6,"events":7},"9812","marine_corps","MOS",[8],{"title":9,"status":10,"effectiveFrom":11,"effectiveTo":12,"successors":13,"citations":17,"notes":29},"MEMBER, THE COMMANDANT’S OWN, U.S. MARINE DRUM AND BUGLE CORPS","converted",null,"2006",[14],{"code":15,"liveCode":15,"name":16},"5512","Member, The Commandant's Own, U.S. Marine Drum and Bugle Corps",[18,24],{"title":19,"url":20,"accessedAt":21,"sourceDate":22,"locator":23},"MARADMIN 329/06, MOS Manual Changes and Conversions","https://web.archive.org/web/20200803112904id_/https://www.marines.mil/News/Messages/Messages-Display/Article/890514/mos-manual-changes-and-conversions/","2026-07-29","2006-07-20","MARADMIN 329/06, paragraph 1.B(2), enlisted block, lines 129-134",{"title":25,"url":26,"accessedAt":27,"locator":28},"MCO P1200.16, Military Occupational Specialties Manual, 18 Apr 2005 (title source)","https://www.globalsecurity.org/military/library/policy/usmc/mco/p1200-16/mco-p1200-16.pdf","2026-07-30","Figure 3-37, alphabetical listing of enlisted MOSs, printed p. 3-521 / PDF p. 712, MOS 9812 title row","The cited source prints the MOS code but not its occupational title; no title was inferred. Enlisted MOS moved from category 8000/9000 to a regular occupational field. The manual is effective 2006-05-15, but personnel/HRDP implementation is explicitly deferred, so effective_to is null. No row-specific effective date is printed; year-only precision reflects the 2006 manual transition."]