1. You may move an AA Gun into but not out of a just captured territory.
2. If an enemy AA Gun is located in a territory that is liberated then ownership of that AA gun will belong to the country that owned the territory at the start of the game regardless who originally owned or bought said gun.
a. For example if Japan owns Novo with an AA Gun present and the Americans liberate Novo to Russian control then Russia will now own the gun.3. If an enemy AA Gun is located in a territory that you capture then you will own the AA Gun.
a. For example if Japan owns Novo with an AA Gun present with Russia under enemy control and the Americans capture Novo then the Americans will own the AA Gun. If Russia is liberated at some later point then the Americans would still own that gun.
b. For example if Germany has an AA Gun in West Europe and the British capture West Europe then the British would own the gun.