 Early in June, Captain Nakamura obtained a "huchao" (pass) from the Chinese authorities in Mukden, which allowed him and his party rights of free passage through Manchuria, with the exception of the militarily-sensitive border area between Taonan and Solun (in the Hsingan Colonization Area).At Harbin, however, Nakamura obtained a second "huchao" which, according to the Japanese Consul General, gave the desired permission to travel in the Taonan-Solun area.Captain Nakamura was accompanied by Nobutarō Isugi, a retired Japanese army sergeant, a Mongolian and a Russian interpreter.