From L. Ron Hubbard Jr's interview with Penthouse http://www.rickross.com/reference/scientology/scien240.html
Penthouse: Your father was selling information to the Soviets?
Hubbard Jr: Yes. That's where my father got the money to buy St. Hill Manor in East Grinstead, Sussex, which is the English headquarters of Scientology today.
Penthouse: What information did your father have to sell the Soviet government?
Hubbard Jr: He didn't do any spying himself. What he normally did was allow these strange little people to go into the offices and into his home at odd hours of the night. He told me that he was allowing the KGB to go through our files, and that he was charging 40,000 Pounds for it. This was the money he used for the purchase of St. Hill Manor.
Penthouse: Do you know any specific information that the KGB got from your father that might have been harmful to security?
Hubbard Jr: The plans for an infrared heat-seeking missile in the early fifties. They obtained the information by extensive auditing of the guy who was one of the head engineers. There were great infiltrations clear to this day. There has always been an inordinate interest on the part of Scientology in military and government personnel. There's no way for me to prove it sitting here, but I believe that the KGB trained East German agents who came via Denmark to London to the United States who were, supposedly, Scientologists. They made very good Scientologists. They were very well trained.
For more information on L. Ron Hubbard :
L. Ron Hubbard : BIGAMIST http://www.clambake.org/archive/ronthenut/bigamy.htm
L. Ron Hubbard : THIEF http://www.ronthenut.org/thief.htm
L. Ron Hubbard DIED ON PSYCH DRUGS http://home.earthlink.net/~snefru/deathoflrh/
L. Ron Hubbard : PARANOID AND SCHIZOPHRENIC http://www.lermanet.com/cos/morejud.html
L. Ron Hubbard : CONVICTED OF FRAUD http://www.lermanet.com/cos/LRHfraud.html
L. Ron Hubbard and BLACK MAGICK http://www-2.cs.cmu.edu/~dst/Library/Shelf/wakefield/us-02.html
L. Ron Hubbard : COLLEGE DROPOUT http://www.bible.ca/scientology-hubbard-grades.htm
L. Ron Hubbard : RACIST http://thingy.apana.org.au/~fun/scn/racism/
L. Ron Hubbard 's FAKE WAR RECORD http://www.ronthewarhero.org/
L. Ron Hubbard : IMPOTENT http://www.ronthenut.org/limpwhat.htm
L. Ron Hubbard : WHORE MONGER http://www.ronthenut.org/payforit.htm
L. Ron Hubbard : DRUG ADDICT http://www.ronthenut.org/dope.htm
L. Ron Hubbard : SATANIST http://www.ronthenut.org/antichri.htm
L. Ron Hubbard and ADOLF HITLER http://www.ronthenut.org/hubbard-.htm
L. Ron Hubbard the PSYCH PATIENT http://www.ronthenut.org/beg.htm