“In truth, most of the electronic systems in that aircraft have been replaced and/or upgraded.”
Several times. The B-52 is kinda like the ax George Washington used to cut down the cherry tree. “It’s the original ax you see laying there, just has three new heads and five new handles”. Well, I thought it was funny :)
That is true....outside of the frame and skin...it is not the same as before... (even those have been upgraded as needed)