From the looks of things, they replaced the bridge, the hull and bulkhead panels, the warp core, the nacelles.
Was ANYTHING left over from the original design?
I think we might be getting into a "ship of Theseus" paradox here:
http://en.wikipedia.org/wiki/Ship_of_Theseus
Was ANYTHING left over from the original design?
I think we might be getting into a "ship of Theseus" paradox here:
http://en.wikipedia.org/wiki/Ship_of_Theseus