The majestic 12, above top secret
This is a great video that discuses top secret documents that where leaked out.
In one part they talk about fiber optics and circuit boards, and remember this was 1947, ages before we even new about this stuff???? Makes it pretty darn hard to debunk!
http://www.youtube.com/watch?v=-ZNOoQ0fxLI (http://www.youtube.com/watch?v=-ZNOoQ0fxLI)