Sergeant First Class
A senior US Army noncommissioned officer, E-7 and NATO OR-7, classically the platoon sergeant of a rifle or support platoon.
Overview
Sergeant First Class wears three chevrons over two rockers and serves as the platoon sergeant, the senior soldier of a formation of thirty to fifty who advises the platoon leader, a young lieutenant, on men, materiel, and mission. The position pairs military craft with personnel judgment: counseling, discipline, and readiness reporting. Reaching E-7 usually takes twelve to eighteen years and a competitive promotion board. SFCs also fill first sergeant roles in small units and instructor duty across the Army school system, making the rank a genuine career milestone.
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