Sigh, I guess I'll have to be that guy...
I don't have any answers for what really happened, all I have is unanswered questions...
Snopes:
[size=-1]2) Can you explain how a Boeing 14.9 yards high, 51.7 yards long, with a wingspan of 41.6 yards and a cockpit 3.8 yards high, could crash into just the ground floor of this building?
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As eyewitnesses described and
photographs demonstrate, the hijacked airliner dived so low as it approached the Pentagon that it actually hit the ground first, thereby dissipating much of the energy that might otherwise have caused more extensive damage to the building; nonetheless, as described by
The New York Times, the plane still hit not "just the ground floor" but
between the first and second floors:
If it hit the ground where's the damage on the lawn?
http://serendipity.li/wot/pent04.jpg
http://serendipity.li/wot/pentagon_lawn.jpg
Snopes:
Immediately after Flight 77 smashed into the Pentagon, the impact was obscured by a huge fireball, explosions, fire, smoke, and water from firefighting efforts. Within a half hour, the upper stories of the building collapsed, thereby permanently obscuring the impact site. It simply wasn't possible for photographs to capture a clear view of the impact site during that brief interval between the crash and the collapse.
Impact:
http://serendipity.li/wot/pentagonhole.jpg
The biggest issue for me is that minutes after the attack they seized security camera footage from a gas station and hotel that would have shown the impact. This footage could shut me and every other conspiracy theorist up. Why haven't they released it? If your reply is "security reasons" what on those tapes would be a bigger security breach than what we saw on those five frames the Pentagon released? Where is the 757 in that footage?
How did a hijacked airliner penetrate the most protected airspace in the country almost an hour after the WTC was hit?