Unveiling of Scientology's New Flag Building in Clearwater, Florida Sunday Nov 17,2013

The 377,000-square-foot Flag Building is the tallest building in downtown,Florida Clearwater, and has been in construction for nearly 15 years. The opening of the building will mark the first time Scientologists have a place to practice the 'Super Power' program, developed by the religion's founder L Ron Hubbard in the 1970s.

Tom Cruise and John Travolta side-by-side in the front row as the Church of Scientology's Flag Building in downtown Clearwater, Florida is opened

Church of Scientology leader David Miscavige's speech was broadcast to the large crowd on a large video screen

The $145m building reportedly will be the only place where a highly classified Super Power program, first advanced by church founder L. Ron Hubbard in the 1970s, will be conducted