259th BattleMech Division

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259th BattleMech Division
Unit Profile (as of 2764)
Nickname The Formalhaut Division
Parent Formation XLII Corps
Formed unknown


The Two Hundred Fifty-ninth BattleMech Division was a part of the Star League Defense Force Regular Army.


In 2764, the unit was assigned, as a part of the XLII Corps, Twelfth Army, to District 2 of the Lyran Commonwealth Military Region, but was moved to an undisclosed area of the Periphery.[1]The 259th was destroyed during the Periphery Uprising in 2765.[1]


As an SLDF BattleMech division the 259th would have been formed from two Brigades of BattleMech regiments and a brigade of Mechanized Infantry regiments.[2]


  • 2591st Brigade [3]
  • 2592nd Brigade
  • 2593rd Brigade


  1. 1.0 1.1 The Star League, p. 145, "Twelfth"
  2. The Star League, p. 133
  3. Field Manual: SLDF, p. 13