[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"legacy-detail-marines-674":3},{"code":4,"branch":5,"codeSystem":6,"events":7},"674","marine_corps","SSN",[8],{"title":9,"status":10,"effectiveFrom":11,"effectiveTo":12,"successors":13,"citations":22,"notes":27},"Message Center Chief","split",null,"1945",[14,16,18,20],{"code":15,"liveCode":11,"name":11,"liveBranch":11},"055",{"code":17,"liveCode":11,"name":11,"liveBranch":11},"521",{"code":19,"liveCode":11,"name":11,"liveBranch":11},"667",{"code":21,"liveCode":11,"name":11,"liveBranch":11},"745",[23],{"url":24,"title":25,"locator":26},"https://archive.org/download/NAVMC1008-PD/NAVMC1008-PD.pdf","Manual of Military Occupational Specialties, NAVMC 1008-PD, June 1945, Appendix B","Appendix B, printed p. 246 / PDF image p. 252, SSN 674","Predecessor title from the June 1944 tentative-manual column: Message Center Chief. Suggested conversions/remarks: 055, 521, 667, 745. The table gives no row-level effective date; effectiveTo records the June 1945 manual year."]