In this thesis, I refered to four decisions sofar about Mandamus Proceeding. Especially, the decisions by the Supreme Court regarding the sign by the governor of Okinawa for the U.S. Army in replacement of landowners will give vital influences on Mandamus Proceeding. This decisions by the Supreme Court, on the one hand, clarified the meanings of 'substantial reviews' by the court, but on the other hand, left many problems pending. In these points, this decisions by the Supreme Court will be divided in evaluations.
