[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"legacy-detail-army-12V1":3},{"code":4,"branch":5,"codeSystem":6,"events":7},"12V1","army","MOS",[8],{"title":9,"status":10,"effectiveFrom":11,"effectiveTo":12,"successors":13,"citations":23,"notes":30},"CONCRETE AND ASPHALT EQUIPMENT OPERATOR (RC)","converted",null,"2019-10-01",[14,17,20],{"code":15,"liveCode":15,"name":16},"12H","Construction Engineering Supervisor",{"code":18,"liveCode":18,"name":19},"12N","Horizontal Construction Engineer",{"code":21,"liveCode":21,"name":22},"12W","Carpentry and Masonry Specialist",[24],{"title":25,"url":26,"accessedAt":27,"sourceDate":28,"locator":29},"DA Pam 611-21, chapter 10, Table 10-4, Enlisted MOS Conversion Listing","https://api.army.mil/e2/c/downloads/2025/12/04/7573670f/chapter-10-enlisted-base-chapter.pdf","2026-07-29","2025","Table 10-4, PDF p. 224","DA Pam 611-21 Table 10-4 maps predecessor MOSC 12V1 to 12H, 12N, 12W; source successor entries: 12H CONSTRUCTION ENGINEERING SUPERVISOR; 12N HORIZONTAL CONSTRUCTION ENGINEER; 12W CARPENTRY AND MASONRY SPECIALIST; conversion effective 01 Oct 2019."]