I had an enemy sub attacking one of my subs. Sent in a near by destroyer to help out using the Attack button. The destroyer held off at range and started bombarding but no damage was happening to the enemy sub. After a couple of hours fussing around I found you had to manually move the destroyer to practically on top of the enemy sub to do damage.

You really need to fix this: using the attack button, destroyers need to move to the proper distance to actually attack subs rather than bombard distance that does no damage to subs. I wasted several mfrustrating hours trying to figure out why my Destroyers were not damage an enemy subs that the game was saying the destroyers were bombarding.

Given the scale of the game, Destroyers should have the same range attacking either subs or surface ships; that said the attack button should automatically move the unit into range rather than me, having to fuck around and move them closer to attack, totally pointless.