Today I made it possible to purchase weapons at a store, and equip them in the ship equipment screen. There was a lot of under the hood work to be done to make all that possible. Now it will be rather easy to make new weapons, as long as they are the straight-flying projectile type.
Screenshot showing different weapons
Plasma gun art (temporary, obviously)
Guard tower (not yet functional)
The next major step is getting the guard towers to shoot at you, and being able to bomb them. That really won't take all that long, but I don't very often get big blocks of time to work on this.