Is there a lack of direct logical connection between the premise and the hypothesis? Premise: The pilots knew their mission was to divert aircraft, but did not know that the threat came from hijacked airliners. Hypothesis: Pilots were unaware that the planes were hijacked.
The pilots knew their mission was to divert aircraft, but did not know that the threat came from hijacked airliners.###Pilots were unaware that the planes were hijacked.