Mark McCandlish is an accomplished aerospace illustrator and has worked for many of the top aerospace corporations in the United States. His colleague, Brad Sorenson, with whom he studied, has been inside a facility at Norton Air Force Base, where he witnessed alien reproduction vehicles, or ARVs, that were fully operational and hovering. @ufo_secret_files #ufosecretfiles #ufo #aliens #space #mystery #unexplained | Ahil Ahil