|Under control of|
- "That would explain how they were able to put up such a good fight...they were Ancients."
- —Dr. Rodney McKay
The outpost was used as a testing ground for Project Arcturus, and featured by a powerful energy weapon that was capable of destroying an entire fleet of Wraith Hive Ships. When the Lanteans lost control of Arcturus, the hard radiation destroyed every building and living thing on the planet, however the outpost and its technologies was left intact. When the Atlantis expedition stumbled across it, Dr. Rodney McKay commented that it possessed some of their most advanced technology. The outpost was destroyed along with Doranda when Arcturus destroyed 5/6 of the solar system. (SGA: "Trinity")