Scientology contribute a proportion of their income and comply with the Religious Technology Center (RTC) and its standards. Operating Thetan levels are offered only at Scientology's Advanced Organizations (Los Angeles, Sydney, East Grinstead and Copenhagen). The Flag Service Organization in Clearwater, Florida offers OT levels VI and VII. The Scientology ship "Freewinds" offers OT VIII. In 1955, Hubbard created a list of 63 celebrities targeted for conversion to Scientology. In a church policy letter in 1973, L. Ron Hubbard wrote, "The purpose of [the] Celebrity Centre is, to forward the expansion and popularization of Scientology through the arts." Scientology operates eight
Scientology in the United Kingdom Commission including a letter purported to originate from the Ministry of Defence that confirmed that Scientology is "an officially recognised religion in the Royal Navy". However, the 2012 Royal Navy Personnel Management Manual (in Chapter 31 - Religion and Faiths) makes no reference to Scientology. The Prison Service in England and Wales does not recognize Scientology as a religion, but prisoners who are registered as Scientologists may practice their religion and are given access to a representative of the Church of Scientology if they wish to receive its ministry. Under Scots law, Scientology ministers had been authorised to perform marriages