ok so i did some experimenting...
turns out some omnis loose the ability to shoot at ships after a save and reload.
if you delete them and rebuild them they seem to work fine again.
so strange bug, but hardly a big deal!
"Is God willing to prevent evil, but not able? Then he is not omnipotent.... Is he able, but not willing? Then he is malevolent.... Is he both able and willing? Then whence cometh evil?.... Is he neither able nor willing? Then why call him God?" --- Epicurus