Project Prometheus is a top-secret Federation project, the purpose of the project was to construct a AG-3 satellite.
History[]
In the 2380s, Samantha Carter, Typhuss James Kira, Jack O'Neill and other scientists started the project to build a AG-3 satellite and the project was finally completed in 2394 around the time the Bajorans found out about the Stargate, Stargate Command and the Stargate Program. (Star Trek: Intrepid episode: "All Hell Breaks Loose")
In 2394, Vice Admiral Kira revealed the existence of the project during a meeting at Starfleet Command shortly before the Wraith attack on Earth. Many officers at the meeting were upset about this. (Star Trek: Intrepid episode: "Truth")