Is there a tour to go to Iwoto?

There is a tour called "Iwo Santo Cruise" once a year hosted by Ogasawara Kaiun ltd. "Iwo Santo" meaning 3 islands of Iwoto("San" meaning 3, "to" meaning island in Japanese), "Minami Iwoto(South Iwoto)" which is designated as wild life conservation area, "Iwoto" which is famous for the fierce battle in WWⅡ, and "Kita Iwoto (North Iwoto)"

The "Iwo Santo Cruise" departs in the evening the same day Ogasawara maru arrives at Chichijima, and comes back around dusk the next day. There are no landing on the islands on the tour.