Oh, and just for fun. Here is a picture of the nose cone of a 767 that hit a bird...
http://roadwarriorvoices.com/2015/05...nsane-crater/#
And here is a video of the nose cone of a 767 blasting through 47 structural steel columns, two structural steel exoskeletons, two layers of aluminum cladding and emerging in perfect form on the other side...
Not saying this proves anything. Just an interesting comparison.