Worse things can happen on the ocean than watching your ship sink from a lifeboat. There are monsters everywhere, even on the water…
After an atomic bomb blast, a bunch of senior citizens are all that's left of a small town. They shoot down any aircraft thats comes in low enough to be shot, not caring which side it might be from…
The main trouble is that you’d never suspect anything was wrong; you’d enjoy associating with slizzers, so long as you didn’t know....