[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"legacy-detail-navy-Sp(X)(TD)":3},{"code":4,"branch":5,"codeSystem":6,"events":7},"Sp(X)(TD)","navy","RATING",[8],{"title":9,"status":10,"effectiveFrom":11,"effectiveTo":12,"successors":13,"citations":16,"notes":28},"Specialist (Topographic Draftsman)","merged",null,"1948",[14],{"code":15,"liveCode":11,"name":11},"DM",[17,23],{"title":18,"url":19,"accessedAt":20,"sourceDate":21,"locator":22},"Charles A. Malin/Bureau of Naval Personnel, Compilation of Enlisted Ratings and Apprenticeships, U.S. Navy, 1775 to 1969 (rev. Dec. 1969)","https://web.archive.org/web/20240704193222id_/https://www.history.navy.mil/research/library/online-reading-room/title-list-alphabetically/c/enlisted-ratings-in-u-s-navy-1775-1969.html","2026-07-30","1969-12","#anchord, Draftsman entry; #anchors, Specialists (X) (TD) Topographic Draftsman entry; reproduced on archived Ohio PDF p. 7, 18",{"title":24,"url":25,"accessedAt":20,"sourceDate":26,"locator":27},"Charles A. Malin/Bureau of Naval Personnel, Abbreviations Used for Navy Enlisted Ratings (1970)","https://web.archive.org/web/20210825164342id_/https://www.history.navy.mil/research/library/online-reading-room/title-list-alphabetically/a/abbreviations-used-for-navy-enlisted-ratings.html","1970","alphabetic abbreviation list, Sp(X)(TD), DM entries","Malin/BUPERS source assertion: Established 1948 from the ratings of Carpenter's Mate (CB) (Draftsman), Electrician's Mate (CB) (Draftsman), Shipfitter (CS) (Mechanical Draftsmen), Specialist (X) (Engineering Draftsman), Specialist (X) (Topographic Draftsmen), Specialist (X) (Cartographers), and Specialist (P) (Photogrammetry). | included in Draftsman 1948. Normalized as merged/included. Reconciles 2 reciprocal, grade-specific, or repeated source assertions for the same predecessor/date."]