Bill Kaysing's book was of great importance for exposing not only the US Lunar deception. He, unwittingly, showed the impossibility of implementing the Mercury and Gemini programs, pointing out in his book a sad fact for the United States: the lack of a reliable liquid propellant engine for a manned space rocket. Bill Kaysing answered the main, pressing questions in his book. How did US leaders keep the events of the US Moon Hoax secret? How and where was this falsification organized?