3rd Royal BattleMech Division

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3rd Royal BattleMech Division
Unit Profile (as of 2755)
Nickname The Trinity Division
Parent Formation
Formed unknown
Disbanded 2755


The Third Royal BattleMech Division was a part of the Star League Defense Force Regular Army. It was one of the SLDF's Royal units, which consisted of troops from the Terran Hegemony.


The Third was one of the first BattleMech Divisions formed by the Star League and was stationed on Mars. Later it was deployed to the Draconis Combine to counter the Ronin duellists.[1]

In 2755 the Division suffered heavy casualties interdicting a bandit attack. It was then disbanded with the survivors being transferred to other SLDF formations.


The warriors of the Third were all skilled marksmen and the Division became the focus of the SLDF's Gunslinger program.


As an SLDF BattleMech Division the Third would have been composed with two Brigades of 'Mech regiments and a brigade of Mechanized Infantry regiments.[2]


  • 31st Royal Brigade [3]
  • 32nd Royal Brigade
  • 33rd Royal Brigade


  1. Era Report: 2750, p. 56
  2. The Star League, p. 133
  3. Field Manual: SLDF, p. 13