Lockheed Martin

2379.624 - 2405.581 David Rosenthal

Right. So the CIA's spec for Skunk Works for the U-2 is to fly at 70,000 feet. Now, there are a couple problems with it. One is that normal jet fuel doesn't work at that altitude. You know, at that altitude, the pressure, the temperature, everything about the environment, you're getting to be closer to space than you are to normal Earth atmosphere, and things start going wrong.