Take a look at these videos and let me know what you think!
Does the Aurora make use of a Pulse Detonation Engine?
Could this plane be the source of UFO sightings around the world? Is it back engineered from 'Alien Technology'? A UFO Researcher Discusses Project Aurora.
Check out this amazing comtrail (Contrail, Chemtrail if you please). Aurora test flight leaves a gigantic contrail ....this low level fly past was so fast the camera operator couldn't catch the acutal plane itself...(and the word isn't 'chemtrail' either!...as some people think)....unknown location. Please click the link to see the video clip.
Yet another photo of the Aurora? - you decide!
Have a look at the following article which discusses the flying triangle sightings
And some footage:-
Here is an interesting slide show of secret NASA Aircraft