This compilation includes many of my favorite NASA UFO encounters/sightings that I have archived over the years. All of these examples (with the exception of .\r<br>\r<br>After receiving such a positive response to my first NASA Alien Anomalies compilation video, I decided I would do a follow-up effort, presenting a few more of .\r<br>\r<br>Thank LunaCognita This compilation includes many of my favorite NASA UFO encounters/sightings that I have archived over the years. All of these examples .\r<br>\r<br>An unidentified flying object, or UFO, in its most general definition, is any apparent anomaly in the sky that is not identifiable as a known object or phenomenon.
