Star Trek Expanded Universe

The operations division of Starfleet was made up of members who specialized in services and military functions aboard starships and starbases. Their specialties may have included engineering, security or communications.

Starfleet division colors[]

22nd century 2230s
Red (ENT).png Yellow (2230s).png
2240s-2250s 2250s 2265-2270s[1] Early 2270s[2] Late 2270s-2350s[3]
Bronze (2240s-2250s).png Cream (2250s).png Red (TOS).png Red Shoulder (TMP).png Yellow Shoulder (TWOK).png
Yellow Shoulder (TMP).png Gray Shoulder (TWOK).png
Cream (TOS).png Gray Shoulder (TMP).png Green Shoulder (TWOK).png
Blue Shoulder (TWOK).png
2350s-2360s 2360s-2370s
service uniform
duty uniform
Yellow (Early TNG).png Yellow (TNG).png Yellow (VOY).png Yellow (DS9).png
Early 2380s Mid 2380s 2390s
File:Yellow (early 2380s).png File:Yellow (mid 2380s).png File:Yellow (2390s).png

Alternate realities[]

2250s 2380s-2400s 2390s 2410
Red (STXI).png Yellow (alternate 2380s).png Yellow (alternate 2390s).png Yellow (2410s) Grey.png
29th century
Bronze (2800s).png

Fan continuities[]

Star Trek: Remington[]

Yellow (DS9).png
Bronze (DS9).png
Green (DS9).png

Related topics[]


  1. Operations division personnel could also wear beige uniforms.
  2. Engineering and maintenance personnel wore red, communications personnel wore yellow and security and services personnel wore gray.
  3. Helm and engineering personnel wore orange, communications and navigation personnel wore gray, security personnel wore dark green and services personnel wore light blue.
  4. Operations personnel wore yellow, engineering personnel wore bronze and security personnel wore green.

External links[]