Io Facility

The Io Facility was a top secret Starfleet Section 31 construction hangar located in orbit of the Jovian moon Io at coordinates 23.17.46.11 in the Sol system. Shuttlecraft could enter the interior bay of the large enclosed drydock when panel sections on the side of the dock were rotated and moved out of the way. The starship USS Vengeance was constructed at the facility and launched in 2259 under the command of Admiral.

Before the launch, piloted a shuttlecraft into the interior of the facility after Captain  asked him to investigate the hangar's spatial coordinates supplied by. Scott was able to stow away aboard the USS Vengeance before it departed from the hangar.