​On November 29, 2018, a witness photographs a strange occurrence in New York. A UFO hangs over a skyscraper for a while, emitting a beam of light over a window and then moving away at great speed. Source: Mufon

The RAND Corp. document is divided into five different trials: historical aspects, astronomical aspects, the nature of the relationships, phenomenological aspects, how to proceed and why. These essays explore the types of UFO sightings and reports, how they are classified and a list of hypotheses surrounding the phenomenon. 
Source:​https://www.segnidalcielo.it/nel-progetto-rand-corporation-si-parla-dellesistenza-di-astronavi-extraterrestri-dei-nephilim/