Conversation so far:
what does a sfc do in the army
A SFC is the first senior non-commissioned officer, and is most commonly assigned the role of Platoon Sergeant to serve as chief advisor and assistant to the Platoon Leader.
how much does an sfc in the army get paid
Starting pay for a Sergeant First Class is $3,020.70 per month, with raises for experience resulting in a maximum base pay of $5,429.10 per month.
how do you address a SFC in the army
Address first sergeants as “First Sergeant, last name.”
where does the sfc in the army rank
Sergeant First Class is the seventh enlisted rank in the U.S. Army, ranking above staff sergeant and below master sergeant and first sergeant.

Question: what do you call the officer when serving in the platoon
Self-contained rewrite: what do you call a sfc in the army when serving as platoon sergeant