Command, Communications, Flight Control, Strategic Operations, Science, Medical and Counseling, Security and Tactical, Operations, Engineering, Intelligence, Diplomatic Detachment, Starfighter Wing,
Fleet Master Chief Petty Officer (FMCPO) is a Starfleet rank given to the senior enlisted crewmember in a fleet. The crewmember holding this position is the liaison between the fleet's commanding officer and the enlisted crew in the fleet.