Star Trek Expanded Universe
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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.

Starfleet insignia[]

22nd century 2230s
FMCPO (ENT)
Yellow (ENT)
Blue (2230s)
2250s 2265-2270s Early 2270s Late 2270s-2350s
CPO (2250s)
Yellow (2250s)
Yellow (TOS)
FMCPO Shoulder (TMP)
White Shoulder (TMP)
N/A
2350s-2360s 2360s-2370s
service uniform
[1]
2360s-2370s
duty uniform
[1]
2370s-2380s
Chief (Early TNG)
Red (Early TNG)
Chief (TNG)
Red (TNG)
Chief (DS9-VOY)
Red (VOY)
FMCPO (DS9-VOY)
Red (DS9)
FMCPO (TNG)
Red (TNG)
FMCPO (DS9-VOY)
Red (VOY)
Early 2380s Mid 2380s 2390s

Alternate realities[]

2250s 2380s-2400s 2390s 29th century
Yellow (STXI)
FMCPO (alternate 2380s)
Red (alternate 2380s)
FMCPO (alternate 2390s)
Red (alternate 2390s)
FMCPO (2800s)
Blue (2800s)


Enlisted ranks Etc Officer ranks Flag ranks
Starfleet
Officers
Enlisted
Misc.
CR
CA
CN
PO3
PO2
PO1
CPO SCPO MCPO
CMCPO
FMCPO
MCPOSF
WO
CDT
MID
REC
ENS LTJG LT LCDR CDR CAPT
FCAPT
CDRE
RDML
RADM
VADM ADM FADM

References[]

  1. 1.0 1.1 Up until the introduction of specialized insignia in 2372, chief petty officers wore one hollow pip.
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