How would magic interact with late TL5 naval warfare? & Campaign idea

[RGTraynor]

Originally Posted by mlangsdorf

Though re-reading the failure effects of Teleport make me thing teleport bombs are not going to work. A 25% chance of success is a 75% chance of failure, and having 2/3rds of the bombs going somewhere is not really acceptable.

No idea off the top of my head -- this sort of thing is Witchking's wheelhouse -- but what's the hit ratio of naval gunnery generally? I can't imagine the percentages are that outrageously different.