I've made the two changes (Missiles reduced to 2 x 4 instead of 2 x 8) and atmospheric flight capabilities removed. And yes,he has access to one of each optional weapon, and he chooses which two he equips. For example, he can go into battle with a beam cannon and the double gatling, or the double gatling and the rocket launcher, or the rocket launcher and the beam cannon but he can't have both be the same weapon.