How to make submarines?

Is there any way to make submarines using the object editor?

You can make things LOOK like submarines. Make it aquatic, and adjust the heigh accordingly until your happy with the depth.

The onyl problem is that the submarine, as all other aquatic units, will be able to sail through shallow waters as well. Make a map without shallow waters or use triggers to make the sub surface (replace it with a surface sub) whenever it enters shallow waters. Another way is to make a surface unit with the naga submerge ability, but that is equal to burrow, you cannot move while submerged.

I tried making a goblin submarine once, using the dragon turtle and a turret from the goblin steamtank as an attached effect. didnt work very well though when the turtle hit deep waters. prolly needs some model editing... otherwise the steamtank with a changed movement height would be it.