[LGM]

I forgot to add that Point Defenses are rather expensive in resources and take ship tonnage. If you throw a few fighters/missle heavy fleets at your human opponent, he will have to start increasing his point defenses. Then throw direct fire fleet at him and his point defenses are useless. Make warfare costly for your enemy! (And do not waste your time playing the AI. Humans are more fun and unpredictable).