Even most powerful person in the world US President don't have access to all government most top secret projects if US President not eligible for most secret information in his government then who have the right to own this precious information maybe you thinking about CIA and FBI directors but they are under US President to make most important decisions they must inform US President or even ask permission from him. On this picture you can see all security clearances in US government.
We know only about first four levels (Restricted, Confidential, Secret and Top Secret).
We know only about first four levels (Restricted, Confidential, Secret and Top Secret).
(This info was taken from UFO Documentary video by History channel)
