If you mean by natural decomposition or degrading I don't think we can assume that. Researchers have found many old shipwrecks, or remains of them. In fact so many are known from the Roman period that diminished numbers of shipwrecks after the second century have been cited as evidence for...
Is there any evidence the object was immobilized after hitting the water? Not AFAIK. Diving into water needn't imply a wreck. Also, I'm not aware of any retrieval operation by the Canadian military--or ours.
Do they really expect to find anything? If it were a plane it would've been reported as missing and searched for long ago. If an ET craft, it probably would've disappeared.
Another thing: while Shag Harbor is an interesting case it doesn't appear to me to be as as interesting or spectacular as...
These questions are bound to be answered sooner or later; our generation (or the next) might as well be the one to do it. And even if all the basic questions are answered, there's a big Universe out there to explore and maybe others too. :)
They are strong evidence that other races like our own, have ventured into space, and are arriving here.
Not a chance, given radar sightings, landing traces etc.
That's the most parsimonious view by far. There have been many reports of flying craft and humanoid beings associated with them.
I'm atheist but I subscribe to the mainstream view. I may have to dig out Did Jesus Exist? but while there were dying and rising gods before jesus, it made absolutely no sense, in a 1st century context, to make up a story of someone crucified by the Romans. It's not just that crucifixion was the...