The NRO is like a secret twin to NASA. It's the U.S.' 'other' space agency. The agency is about as old as NASA, but its existence was secret until 1992.

For millennia, artists and mystics have pondered the question of how to represent that which, by definition, cannot or must not be represented.

Engineers working in the 'black world' of classified military projects are often referred to in military circles as 'black hats.' There are a lot of jokes about the difference between 'white hats' and their spooky counterparts.

Trevor Paglen Quotes