Top Secret Aircraft That Officially Do Not Exist

From Urban Ghosts Media:

There is nothing more fascinating in the aviation world than the “black projects” – aircraft programs that are so secret that even those with the highest security clearance have no idea they exist. But occasionally the veil of secrecy is accidentally lifted, offering a fleeting glimpse into this shadowy world. Here we take to the air with six of the world’s most classified aircraft (assuming they exist, that is!).

Read more ....