| Ninety Ninth Red Assault Cluster
|| Clan Blood Spirit
The 99th Red Assault ambushed the 383rd Adder Sentinels on Arcadia, inflicting eighty percent casualties before being rescued by Kappa's 417th Sentinels.
| Commanding Officers of the 99th Red Assault (Clan Blood Spirit)
- Does not appear in most recent force listings, so presumably was destroyed or disbanded after the Burrock Absorption