- Varied skin, hair and eye coloration
- Hate violence, preferring to focus on intellectual development
- Involved in a conflict called the Tarsian War
- Ordered their soldiers to undergo "upgrades: to become superior soldiers
- They were subjected to genetic engineering & chemical manipulation;
- Their behavior became violent when they sensed danger to themselves
- The war was won, however, the treatment could not be undone
- They were unable to function within or co-exist alongside normal people
- The soldiers were sent to a penal settlement on Lunar V
- 2366: Petitioned to join the Federation, put on hold when the soldiers rebelled
