Searching For Propelled

Been looking for this info but cant find any about missiles, rockets and torpedoes that Im looking for.Obviously we have missiles and torpedoes, as evident with my Gladiator. And Im assuming we will b[..] Load

We see on every ship multiple thruster for maneuvering them, but when I looked at the missiles it looked as if they were only propelled from the rear. This raises an eyebrow for me. What balances the [..] Load