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 Missions International the agreement with CSI, SMI has entered various license agreements with Scientology Missions around the world over the use of the Scientology trademarks and service marks. In addition to its corporate status, SMI is also a part of the ecclesiastical command structure of the international Church of Scientology management. Integrated within the mother church of Scientology, the Church of Scientology International, SMI is one of 8 sub-units and networks, which form the so-called "Flag Command Bureaux" (FCB). The Scientology management booklet "The Command Channels of Scientology" states the following about the FCB: "[...] The Flag Command Bureaux, so named from