http://www.serendipity.li/wot/spencer06.htm .....go down to the missiles coming through the building , wouldnt they have exploded on impact.( the missiles)

Some missiles are designed to pierce through the outer wall of a structure and then blows up once it's inside.

The real question should be, 'wouldn't a passenger jet explode on impact'? Probably, unless it had a nose cone hardened with DU.

Depleted Uranium is very dense, more so than lead. If a large airliner nose had been re-enforced with enough DU to make it into a more effective penetrator, don't you think the airliner would have been too heavy to take off?

Since there are no fuel tanks in the nose of Boeing airliners, the fuel would not ignite until the tanks in the wings and further back in the fuselage were ruptured.

The fuel is still moving quickly when it first penetrates the building facade. This will spread it inside and throughout the building as shown in the videos. A piece of aluminum is going to blow right through steel when it moves fast enough. It is comparable to a subsonic lead bullet moving through a steel target.

Lark

Edited for spelling