The designation Non-Commissioned Officer in Charge, usually abbreviated to NCOIC (or NCO I/C), signifies an individual in the enlisted ranks of a military unit who has limited command authority over others in the unit. An example would be something small like a squad leader who may have 6-12 people under their command. Another might be a platoon sergeant who can have 45-70 people under their command. Generally, an NCOIC is both an administrative leader as well as a combat leader.