Sergeant First Class

Sergeant First Class is a military rank in some militaries and other uniformed organizations around the world. It is typically a senior non-commissioned officer.

United States Army
Sergeant First Class (SFC) is the seventh enlisted rank (E-7) in the U.S. Army. It is above Staff Sergeant and below Master Sergeant and First Sergeant. It is the first senior non-commissioned officer rank.

References

Other websites
 U.S. Army Enlisted Rank Insignia - Criteria, Background, and Images 

Category:Military ranks