Mystery aircraft over Area 51 shows Boeing F-47 sixth-generation fighter design features in thermal footage, potentially revealing classified NGAD demonstrator.

The title of this article is a little sensational — although there are less publicized aircraft that do follow the US President everywhere, they are not completely secret. Otherwise, writing this ...

Add Yahoo as a preferred source to see more of our stories on Google. P 38 Photo12 Universal Images Group Getty Images Revolutionary futuristic warplanes were developed in the Second World War. To ...