USS Persephone
From Star Trek: Theurgy Wiki
The USS Persephone was a 24th century a heavily modified Steamrunner-class starship designed to serve as a pocket carrier that was owned by the United Federation of Planets and was operated by Starfleet.
Ensign Daniel Havenborn, callsign "Salvo" was assigned to the USS Persephone after graduating from Starfleet Academy in 2374. He served aboard the Persephone until 2378 when he transferred to the USS Resolve.
