Definition of sergeant first class in English:
A noncommissioned officer in the US Army of a rank above staff sergeant and below master sergeant.
- They are having a debate during the break, trying to figure out which ranks are highest and lowest among sergeant, staff sergeant, sergeant first class.
- Since no one appeared, he decided to stop and see if he could do something, said a retired Army sergeant first class who served 29 years in the military.
- If they want to become a sergeant first class, a chief warrant officer, or a field grade officer, for example, they are going to have to plan on some extra days, attend meetings and planning conferences, and take on additional schooling.