- For other uses, see Procyon.
The USS Procyon was an Antares-class starship in service to the Federation Starfleet in the 23rd century. It was classified as a transport vessel.
In the year 2270, the Procyon was ferrying Vice Admiral Lori Ciana between starbases at the edge of Federation space near the R-775 and R-836 sectors. (TOS novel: Allegiance in Exile)