As a member of TU 53.7.1, she sailed for Yokohama on 23 October to see that the northern Japanese islands of Ōshima and others nearby were complying with the terms of surrender.
The passage describes a mission for a member of TU 53.7.1 to verify that the northern Japanese islands of Ōshima and its neighboring isles were complying with the surrender terms following Japan's surrender in World War II.