The Clouseau was a Pink Panther-class starship in Lyran Starfleet service during the 25th century.
Under the command of Clouseau, the Clouseau delivered a defensive satellite to Starbase 148 in 2386. (RIS Bouteina: "Hussade Contract")
She took part into the assault to recapture Starbase 148 in 2401 from the Klingon Defense Force, heavily damaged by the IKS Gob'leH in the process. (Star Trek: The Stoneship Files: "Attack on the Laboratory")
The Clouseau detected a beacon inside a gas supergiant. However, it left the job to the Stoneship, having better tactical systems. (Star Trek: The Stoneship Files: "Super-Jupiter Beacon")