Note on the slow motion tests: it was very difficult to line up shots correctly, as each drone has very different crop factors when shooting slow motion. I would say that the Air 3S beats the Mavic 3 Pro by a considerable margin when shooting slo-mo.
Excellent. You're quite the pilot! Very important subject matter too. I enjoyed the Video very much. I've never flown in the fog, well not with a drone anyway. Gutsy flying for sure.
I will only fly up through a layer of fog if I can tell its very thin. I didn't have a hole to fly through, but I could tell the top of the layer was just a few hundred feet up. Navigation is easy so long as you have GPS (which the fog doesn't...