An unnamed dark planet hosted the "Detestable Vermin", a collection of mercenary groups, sometime after the Brood War.
Infested Alexei Stukov considered the collection of enemies all hiding on the same planet convenient. He hired his own mercenaries to "remove" them. His forces were successful.
2001-01-31. StarCraft: Brood War. Vivendi Games. Mission: Mercenaries II (in English). Map Archives: Mercenaries II.