315th BattleMech Division

Star League Logo.png
315th BattleMech Division
Unit Profile (as of 2764)
Nickname Yorii Division
Parent Formation LXVIII Corps
Formed unknown


The 315th BattleMech Division was a part of the Star League Defense Force Regular Army.


The SLDF sold military surplus purchased from the Eighteenth Army's 315th BattleMech Division to the Outworlds Alliance.[1]

In 2764, the unit was assigned, as a part of the LXVIII Corps, Eighteenth Army, of the Periphery Military Region but was moved to an undisclosed area of the Periphery to take part in the Periphery Uprising by 2765.[2] The 315th survived the war and the Hegemony Campaign, and followed General Aleksandr Kerensky on the Exodus in 2784.[2]


Rank Name Command
Commanding Officers of the 315th BattleMech Division




As an SLDF BattleMech division the 315th would have been formed from two Brigades of BattleMech regiments and a brigade of Mechanized Infantry regiments.[3]


  • 3151st Brigade [4]
  • 3152nd Brigade
  • 3153rd Brigade


  1. Field Report 2765: Periphery, p. 17 "OUTWORLDS ALLIANCE"
  2. 2.0 2.1 The Star League, p. 156, "Eighteenth"
  3. The Star League, p. 133
  4. Field Manual: SLDF, p. 13