Docked at DS9
The Sherval Das was a Valerian freighter in operation in the 24th century.
In 2369, the Sherval Das docked at Deep Space 9 for maintenance. Major Kira Nerys believed that the vessel was carrying dolamide explosives intended for use in Cardassian weapons because the ship had previously visited Ultima Thule, Fahleena III and Mariah IV, planets on the former route used in dolamide shipping. (DS9: "Dramatis Personae")