Pollux II

Pollux II was the site of the most advanced research laboratory in the Federation in the 23rd century.

The facility was designed and used by Armand St. John for his work on transwarp drive and later for his attempts to pull parallel versions of himself from alternate universes, though this was actually later proven to be an illusion created by Djinn. The lab had rather extensive security measures designed for it, for example there were transporter scramblers set up to prevent any transporters save for those of the Pollux II laboratory from functioning properly (TOS comic: All of Me).