Pegasus Alpha Site

From SGCommand

The Pegasus Alpha Site is a site set up by the Atlantis Expedition. This site was used by some Atlantis personnel, and was temporarily used as a prison for the Wraith known as Michael Kenmore. (ATL: "Michael")

In 2008, the Atlantis expedition was considering the Flying monkeys' planet as a possible alpha site. (ATL: "Ghost in the Machine")