From Star Trek Online Wiki
Being identical to the N'Vak System, it is known as a Space War Zone in which players must complete certain objectives. Both systems feature a large Borg presence with a scenery containing a small cracked planet and Borg remains.
 System description
Ker'rat is a dim orange star with a jungle world located at the edge of its habitation zone. During the Borg incursion into the Beta Quadrant, the Borg cannibalized the planet's moon to create repair facilities for their forces.
|Details||Borg Collective • Borg • Unicomplex • Ker'rat System • Borg Transwarp Hub • Borg Invasion|
|Ground Forces||Drone • Medical Drone • Tactical Drone • Heavy Tactical Drone • Elite Tactical Drone • Infected Drone • Worker Drone • Elite Tactical Assimilated Gorn|
|Starships||Tractor Probe • Regeneration Probe • Probe • Sphere • Cube • Tactical Cube • Unimatrix 0047 Command Ship|
|NPCs||Ogen • Manus of Borg • Armek of Borg • Tosk of Borg • Donatra • Assimilated Undine • Borg Queen|
|NPC starships||Assimilated Carrier • Borg Cube 19721 • Borg Queen's Octahedron • I.R.W. Valdore • Siege Cube 1 of 5 • Siege Cube 2 of 5|