#33 it was a disintegration, not an explosion. that's why the crew compartment didn't get breached in the air. the crew probably survived until they hit the ocean, and some or all of them may have been conscious.

#41 Well, these days the population increases by thousands every day, so no worries..

#55 Not totally true. While the Orcas in Alaska may feed on swimming moose, this do not necessarily go for other groups of Orcas other places in the world.
Orcas are opportunists and learn to feed on what's available in their local area..