 Complete the following phrase:  Repairs to the damaged ships began immediately, and fresh supplies and ammunition were sent to ready the vessels for action. By October, the Japanese Army had begun to approach Port Arthur, forcing the Chinese to withdraw the Beiyang Fleet to Weihaiwei. Ding sortied on 20 October and crossed the Bohai Strait to Weihaiwei without encountering Japanese forces. In early November, Ding sortied to cover the transfer of Zhenyuan, which had remained in Port Arthur as long as possible to complete repairs. The Japanese Army had advanced to Weihaiwei by the end of January 1895, launching a major attack on the port on the 30th to begin the 