123rd Mechanized Infantry Division

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123rd Mechanized Infantry Division
Unit Profile (as of 2780)
Nickname n/a
Parent Formation XXX Corps Army
Formed unknown


The 123rd Mechanized Infantry Division was a part of the Star League Defense Force Regular Army.


In 2764, the unit was assigned, as a part of the XXX Corps Army, Twelfth, to District 2 of the Lyran Commonwealth Military Region, but was moved to an undisclosed area of the Periphery to take part in the Periphery Uprising by 2765.[1] The 123rd survived the war and the Hegemony Campaign, but its final fate remains unknown.[1]


Rank Name Command
Commanding Officers of the 123rd Mechanized Infantry Division


The Mechanized Infantry Divisions of the Star League were used offensively to exploit gaps in the enemy front created by the BattleMech Divisions. They also bore the brunt of defensive actions.

Composition History[edit]

The Division comprised two Brigades of Mechanized Infantry and a single BattleMech Brigade. Also attached was a Ground Aero Wing.[2]


  1. 1.0 1.1 The Star League, p. 144, "Twelfth"
  2. The Star League, p. 133