Pentagon admits secret UFO investigations | 17 Dec 2017 | In the heart of the Nevada desert, Area 51 has become the holy grail of conspiracy theorists - home, they say, to a top secret US military base for the study of extra-terrestrials. But now it has emerged that the theorists might not have been that far off. It has been reported that the Pentagon did indeed run a secret multi-million dollar programme to investigate Unidentified Flying Objects.