Romulan Guard

• Overarching Romulan military structure (TNG: "Unification II")
• Divided into legions
  • First Legion
    • More commonly known as the Romulan Star Navy (TLE novel: Serpents Among the Ruins)
  • Fifth Legion (ENT Novel: Kobayashi Maru)
    • Military research and development (ENT Novel: Kobayashi Maru)
    • General goals decided by commanding admiral, specific directions and implementation by chief technologist (ENT Novel: The Good That Men Do, Kobayashi Maru, Beneath the Raptor's Wing)
• Ranks
  • Officers
    • Officer training at Imperial War College (TNG: "Face of the Enemy")
    • Ranking, highest to lowest:
      • Admiral
        • Admirality divided into echelons of seniority and prominence (ENT Novel: To Brave the Storm)
        • Members of lower echelon known as khre'rior, often translated as "vice-admiral" (ENT Novel: To Brave the Storm)
      • Commander (equivalent to Captain)
      • Subcommander (equivalent to Commander)
      • Centurion (equivalent to Lieutenant Commander)
      • Subcenturion (ENT Novel: To Brave the Storm; TNG Short Story: "Turncoats")
      • Lieutenant (equivalent to Lieutenant)
      • Sublieutenant (equivalent to Ensign)
    • Officers are usually expected to serve until retirement or death, but resignations are allowed
  • Enlisted
    • Highest to lowest:
      • Decurion (equivalent-ish to Petty Officer)
      • Uhlan (equivalent to Crewman) (ENT Novel: Beneath the Raptor's Wing, To Brave the Storm)
        • Plural: uhlanu
• Uniform
  • As of mid-22nd century, enlisted field operatives wear orange fatigues (ENT Novel: Beneath the Raptor's Wing)
• Notes
  • Classified directives delivered in deep-green PADDs (ENT Novel: Beneath the Raptor's Wing)
  • Romulan military starships tuned to generate internal vibrations keyed to trigger production of Romulan adrenaline-analog (TNG Short Story: "Turncoats")