[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"legacy-detail-army-672.10":3},{"code":4,"branch":5,"codeSystem":6,"events":7},"672.10","army","MOS",[8],{"title":9,"status":10,"effectiveFrom":11,"effectiveTo":12,"successors":13,"citations":18,"notes":25},"Aircraft Mechanic — U-1A / U-8D","split",null,"1965",[14,16],{"code":15,"liveCode":11,"name":11},"67C20",{"code":17,"liveCode":11,"name":11},"67G20",[19],{"title":20,"url":21,"accessedAt":22,"sourceDate":23,"locator":24},"U.S. Army Aviation Digest, March 1966, vol. 12, no. 3, “New Enlisted Aviation MOS”","https://archive.org/details/sim_united-states-army-aviation-digest_1966-03_12_3/page/n24/mode/1up","2026-07-30","1966-03","“New Enlisted Aviation MOS,” printed p. 23; PDF p. 25","The article prints two 672.10 rows: U-1A personnel map to 67C20 and U-8D personnel map to 67G20. Preserved as one conditional split row with source order retained. Change 15 directed active-duty personnel conversion during 1–25 July 1965; effectiveTo is conservatively recorded at year precision rather than assigning one uniform individual conversion date."]