Star Trek Expanded Universe
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Cadets are neither officers nor are they enlisted personnel. Cadets still attend Starfleet Academy and only serve on Starfleet ships for training purpose for a limited time period.

The term also applies to attendees of the Starfleet Marine Corps Academy.

The equivalent term in the Federation Starfighter Corps is air cadet. (Star Trek: Remington)

Starfleet insignia[]

22nd century 2230s
CDT1 (ENT)
Gray (ENT)
N/A
CDT2 (ENT)
Gray (ENT)
CDT3 (ENT)
Gray (ENT)
CDT4 (ENT)
Gray (ENT)
2250s 2265-2270s Early 2270s Late 2270s-2350s
Cadet (2250s)
CDT1 (TOS)
Gray (TOS)
N/A
CN Sleeve (TWOK)
Red White Enlisted Sleeve (TWOK)
CDT2 (TOS)
Gray (TOS)
PO2 Sleeve (TWOK)
Red White Enlisted Sleeve (TWOK)
CDT3 (TOS)
Gray (TOS)
PO1 Sleeve (TWOK)
Red White Enlisted Sleeve (TWOK)
CDT4 (TOS)
Gray (TOS)
CPO Sleeve (TWOK)
Red White Enlisted Sleeve (TWOK)
2350s-2360s 2360s-2370s
service uniform
2360s-2370s
duty uniform
2370s-2380s
CDT1 (Early TNG)
Red Cadet (Early TNG)
CDT1 (TNG)
Red Cadet (TNG)
CDT1 (TNG)
Red Cadet (VOY)
CDT1 (DS9-VOY)
Red Cadet (DS9)
CDT2 (Early TNG)
Red Cadet (Early TNG)
CDT2 (TNG)
Red Cadet (TNG)
CDT2 (TNG)
Red Cadet (VOY)
CDT2 (DS9-VOY)
Red Cadet (DS9)
CDT3 (Early TNG)
Red Cadet (Early TNG)
CDT3 (TNG)
Red Cadet (TNG)
CDT3 (TNG)
Red Cadet (VOY)
CDT3 (DS9-VOY)
Red Cadet (DS9)
CDT4 (Early TNG)
Red Cadet (Early TNG)
CDT4 (TNG)
Red Cadet (TNG)
CDT4 (TNG)
Red Cadet (VOY)
CDT4 (DS9-VOY)
Red Cadet (DS9)

Alternate realities[]

2250s
Cadet (STXI)
2380s-2400s 2390s

[1]

29th century
CDT1 (alternate 2380s)
Red Cadet (alternate 2380s)
Gray (alternate 2390s)
CDT1 (alternate 2390s)
Gray (alternate 2390s)
CDT1 (2800s)
Blue (2800s)
CDT2 (alternate 2380s)
Red Cadet (alternate 2380s)
CDT2 (alternate 2390s)
Gray (alternate 2390s)
CDT2 (2800s)
Blue (2800s)
CDT3 (alternate 2380s)
Red Cadet (alternate 2380s)
CDT3 (alternate 2390s)
Gray (alternate 2390s)
CDT3 (2800s)
Blue (2800s)
CDT4 (alternate 2380s)
Red Cadet (alternate 2380s)
CDT4 (alternate 2390s)
Gray (alternate 2390s)
CDT4 (2800s)
Blue (2800s)

Non-Starfleet insignia[]

Lyran Starfleet
Lyran SE O-1


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
Federation
Marine Corps
Pvt
PFC
LCpl
Cpl
Sgt
SSgt
GySgt
MSgt
1st
Sgt
MGySgt
SgtMaj
SMOMC
WO

Cdt

2nd Lt 1st Lt Capt Maj LtCol Col
BCol
BGen MajGen LtGen Gen GCorps
Lyran ranks CR
CN
PO2
PO1
CPO SCPO MCPO CDT ENS LTJG LT LCDR CDR CAPT
FCAPT
CDRE SCDRE VADM COUNT DUKE
KING

RIS Bouteina[]

Romulan Naval Academy cadets were considered as senior as petty officers (Erei'Erein) on their cadet cruise, even if they served on Romulan Star Navy ships for training purposes for a limited time period.

Also, both the Hydran Royal Navy and the Lyran Starfleet make use of cadets.

References[]

  1. Cadets depicted in VOY: "Endgame" were depicted not wearing rank insignia. These ranks have not been seen on-screen and are non-canon.

External links[]

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