Wouldn't the run depth be an issue here? Unless I am mistaken, most torpedoes were programmed to run deep enough to hit a capital ship in the vitals, and would often pass below the keel of a shallow-draft warship such as a destroyer. Or so I recall reading, anyway.

<t> I don't know how easy this would be to implement, or if other players would agree that it is a desirable feature, but a simple graphic representation of a given surface unit's course and speed would be useful. For example, all units under the player's command, if in motion, would have an arrow ...