More than anything else this book gives the reader some perspective on the extent of the intelligence community's involvement with the subject of UFOs. One may well wonder why they would even bother. The usual proposed rational is that they have something to hide concerning the extraterrestrial (ET) hypothesis, a crashed ET space craft, or clandestine contact of some sort with ETs. But this book suggests an entirely different rational and one that seems quite plausible.
A number of different agencies are implicated but the main player, and the one the author deals with to the greatest extent, is the US Air Force Office of Special Investigations (AFOSI). It is suggested that many of the vast inventory of black budget projects under development are by their very nature quite visible if one happens to be in the right place at the right time. Sometimes their visibility is the whole point, as with radar and other kinds of decoys. Not wanting to be in the business of constantly having to explain their development tests, the AFOSI has a need for some kind of disinformation cover. UFOs, and especially the ET hypothesis, fits their need quite nicely.
The author lays out a scenario backed by a significant amount of research, showing how the AFOSI keeps the UFO fervor jacked up by constantly feeding it disinformational tidbits undercover, and then denying the validity of ET hypothesis up front. It's the best of both worlds for them. Of course, full blown UFO/ET believers will not accept this scenario as sufficient, but others of a more agnostic nature may begin to wonder to what extent the whole UFO/ET phenomenon is simply a false front.
The book is well written, engaging and informative but in the final analysis does it also become a conduit for disinformation? You be the judge. I highly recommend Mirage Men by Mark Pilkington.