The Pentagon's release was the first time they admitted that these UFOs may be on landscape, in that the videos aren't able to explained away in any current context.
Footage was captured three times, first in 2004, again in 2014, and a third video is from 2015. The 2004 footage has been circulating online since 2007.
Get the top stories emailed every day. Newsletters may offer personalized content or advertisements.