It is quite simple-the planet earth is being engaged by extraterrestrial civilizations, and it has been for some time, certainly since the mid-1940s. Perhaps hundreds of years. The government made a decision that this information needed to be embargoed because they did not know the intentions of this beings-since then there has been a conscious and premeditated effort on the part of ‘these’ people to hide the truth from us.
https://youtu.be/EiKaEBs9Z14