The Beta Antares Ship Yards are Federation shipyards located in the Antares sector. The USS Prometheus was built there, and launched in 2374. (VOY: "Ship in a Bottle") The USS Phoenix-X was launched here a few months later. (Star Trek: Phoenix-X: "Secret Occurrences") The USS Vanderbilt, an Antechrist-class carrier, was under construction there as of 2415. (Star Trek: False Vacuum: "Asteroid Dusting")