My Dad worked for IBM and Lockheed Martin in Owego, NY for many years. As a thank you to everyone there at the plant (where they made the circuit boards for the guidance systems of many things) they did a flyover with one of these magnificent bastards. The one they used was called Spirit of New York, of course. They…

Yeah along with that shuttle you get access to their Air Force 1 hangar too. It was well worth it.

They have both. The YF-12A is in the experimental aircraft section with the Valkyrie if I recall correctly.

The USAF Musuem has a B-2 the is a static test mock up. They also have an XB-70 Valkyrie, which is impressive.