sentences:  He is not to be confused with Lieutenant Commander Harry Ross Hubbard (1886-1975), who was the father of L. Ron Hubbard, the founder of the Church of Scientology.Born in Baltimore, Maryland, Hubbard graduated from the United States Naval Academy in June 1925, served 3 years on the battleship , then qualified in submarines at New London, Connecticut.Following duty in submarine "S-34", he completed Naval Academy postgraduate work, then served on the submarine tender , and, was an executive officer of the destroyer .