F93VC_160530_251
Existing comment: Threat in the Air:
When American Airlines Flight 11 strikes the North Tower of the World Trade Center many believe it is a tragic accident. Minutes later, United Airlines Flight 175 hits the second World Trade Center tower, and many now realize these acts are deliberate.
Amid the confusion of these unfolding events, American Airlines Flight 77 strikes the Pentagon. It is clear the attack is not confined to New York City. Any plane in the air is a threat.
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