A "galactic federation" has been waiting for humans to "reach a stage where we will understand... what space and spaceships are.
Former Israeli space security chief Haim Eshed, head of Israel's Defense Ministry's space directorate says that earthlings have been in contact with extraterrestrials from a "galactic federation."
He says that the unidentified flying objects have asked not to publish that they are here, humanity is not ready yet. The aliens were equally curious about humanity and were seeking to understand "the fabric of the universe".
There is an agreement between the U.S. government and the aliens and cooperation agreements had been signed between species, including an "underground base in the depths of Mars" where there are American astronauts and alien representatives.
Read more including video interview about this topic at nbcnews