Discuss game development here, from a distinct game project to an accessible third-party mutator, down to the interaction and design of individual units if you like.
In my very own one unit mod, the unit doesnt build or shoot at all! It climbs quite good Here's a link to the mod if you could see to it. Only needed scripts etc. so won't be a hard operation.
1. It isn't sitting on the zero axis on the Y, which means it will appear to be above the water. Obviously, this is not ideal.
2. You're going to need to add some sub-points to it for the missiles to come out've, some other sub-points for the SFX for when it's moving (the neato effect on the water's surface)... and you're going to need to set this up so that the weapon can only fire in the frontal arc (thank goodness Arch documented that).
3. You need to re-name this object to "base". In lower-case. All S3O names must be lower-case! The lowest object on your hierarchy must be called "base" with units.
4. Lastly... the texture... I've seen far worse, and it looks vaguely boat-like, but... at 512-512, it is really just a big smear of noise, and you really need to sit down and paint some detail (which is where people tend to choke on skinning- and there's not a lot I can do for you there).