Actually, our question came from reading the manual. The unit profile for an AA gun lists a defense value of ‘1’. Although special combat abilities are described, there is no text that I see that says that the tabulated defense factor of ‘1’ is anything other than a defense factor in the same sense as that excercised by an infanty, artillery, or tank. The only other unit subject to capture, an IC, has a tabulated defense factor of ‘NA’.
Thus, our question on AA guns…