By late 1941, as the situation in the Far East worsened, four gunboats remained with YangPat and one in the South China Patrol. Admiral Hart's reduction of naval forces in Chinese waters cut this number to two. "Luzon"—with Rear Admiral William A. Glassford, ComYangPat, aboard—departed from Shanghai for Manila on 28 November 1941 in company with . "Wake" remained at Shanghai as station ship; "Tutuila", beyond hope of escape, remained marooned at Chungking. departed Hong Kong at approximately the same time and arrived in the Philippines shortly after hostilities commenced.