> Mr. Mitchell created a stir in 2008 when he told a British radio station that his contacts in military and intelligence circles had told him that “we’ve been visited on this planet, and the U.F.O. phenomena is real,” but that governments had “covered up” the matter for at least 60 years.

Ingo Swann tells a fascinating story about the moon in his book http://www.amazon.com/Penetration-Question-Extraterrestrial-...