 In October 1945 , a Naval Board found that he was " considered physically qualified to perform duty ashore , preferably within the continental United States " in reflection of his chronic ulcer . He was discharged from the hospital and mustered out of active service on December 6 , 1945 . He resigned his commission in October 1950 . According to the Church of Scientology , he quit because the US Navy had " attempted to monopolize all his researches and force him to work on a project " to make man more suggestible " and when he was unwilling , tried to blackmail him by ordering him back to active duty to perform this function . Having many friends he was able to instantly resign from the Navy and escape this trap . " Hubbard himself told Scientologists : 
