[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"legacy-detail-marines-0571":3},{"code":4,"branch":5,"codeSystem":6,"events":7},"0571","marine_corps","MOS",[8],{"title":9,"status":10,"effectiveFrom":11,"effectiveTo":12,"successors":13,"citations":15,"notes":22},"Foreign Security Force Advisor (FMOS)","renamed",null,"2018-10-01",[14],{"code":4,"liveCode":11,"name":11},[16],{"title":17,"url":18,"accessedAt":19,"sourceDate":20,"locator":21},"NAVMC 1200.1D, FY19 Military Occupational Specialty Manual, Figure 4-1","https://web.archive.org/web/20201114234747id_/https://www.trngcmd.marines.mil/Portals/207/Docs/wtbn/MCCMOS/FY19%20MOS%20Manual%20NAVMC_1200.1D.PDF","2026-07-29","2018","Figure 4-1, printed p. 4-5, PDF p. 797, PRESENT MOS 0571","Source new title: Advanced Foreign Security Force Advisor (FMOS). Figure 4-1 remarks: 2, 7."]