Fantasy vs. Science Fiction

a dragon won't survive a shot from a laser/photon/ion/tachyon/proton cannon of a ship or a missile strike

Arguments?;)
By the way, half of the list of cannons doesn't make sense, because even if it's possible to get something out of photons and tachyons, it would require so much energy that it wouldn't be worth it, to put it mildly.

Even a burst from an AK can kill a dragon

It's impossible. I know for sure.

Black dragons are only resistant to most magic

How so? These same forces will deflect the blaster.

if they had fiery blood, dragons would have gone extinct

Why?:)