Sergeant first class
Military rank
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Sergeant First Class is typically a senior non-commissioned officer rank, used in many countries. Wikipedia
Abbreviation: SFC
Equivalent ranks: Gunnery sergeant (USMC); Chief petty officer (USN & USCG); Master sergeant (USAF & USSF)
History: Technical sergeant
NATO rank code: OR-7
Pay grade: E-7
Rank group: Non-commissioned officer