The USS Bellepheron was an Intrepid class light cruiser that served in Starfleet starting in 2371.
Her first commander was Captain Aisha Thompson.
In her first year of service, she was assigned to the First Fleet.
She was at Starbase 39-Sierra while participated in negotiation the release of Federation citizen Emerson Ames with command level officers of the Romulan Star Navy. ("Aiding & Abetting")
In late 2371 the escort was part of the task force to free the Psellus System from Romulan forces. ("Armistice Part II")