So in one sense, the Systems Command’s Space Division had nothing to lose: its computer is unclassified. But there’s a deeper problem. Individually, public documents don’t contain classified information. But once you gather many documents together, they may reveal secrets. An order from an aircraft manufacturer for a load of titanium sure isn’t secret. Nor is the fact that they’re building a new bomber. But taken together, there’s a strong indicator that Boeing’s new bomber is made of titanium, and therefore must fly at supersonic speeds (since ordinary aluminum can’t resist high
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