Pentagon Airliner strike

One big problem for me....As in the New York attacks, the engines CLEARLY puncture the building. This would be reasonable, as the engines are the heaviest part of the plane, NOT the body of the plane. It make no sense that the body of the plane would puncture the Pentagon, and the engines would not. In fact, as we see in the New York attacks, the entire plane puntures a nice plane shaped hole, prior to the fireball. Where are the holes for the engines in the Pentagon? If the wings broke up prior to impact, where are the engines? A couple rotors laying on the ground dont cut it...the engines, no matter who made them, are huge. A little rotor on the ground? C'mon. There is NO WAY a Boeing crashed into the Pentagon. Look at the roof of the Pentagon, prior to the collapse....Im sorry, if a huge airline had crashed into that wall, there would be NO ROOF THERE. A few little pieces of plane, here and there? A 16 foot hole with the wall basically intact? My goodness. Am I missing something? Nevermind the 8 THOUSAND gallons of Jet fuel that would BURN FOR DAYS.....where is the fire in the photos? The whole area should be crispy. It is not.