The Valerian transport Sherval Das requested permission to dock at Deep Space 9 in 2369. Major Kira Nerys believed it was shipping dolamide explosives and wanted to confiscate the shipment. She began running a backgrounds check on the ship. When the transport entered the Bajoran system, the major delayed giving clearance for docking to the ship. The captain expressed he could not wait long, as the ship needed maintenance after a long journey. Her belief was strengthened when she learned the ship was following the route taken by Valerian transports during the Occupation of Bajor, when the Valerians were shipping dolamide to the Cardassians. The transport had visited Fahleena III, Mariah IV, and the station at Ultima Thule one week before it entered the Bajoran system. The ship later docked