When I was a teenager, in the late 1970s, I had the (justified) reputation to be a lover of model kits, BUT I was very afraid that someone offers me someday a kit of tank killing machine instead of the bird-like aircraft that I loved...
What would have I done if that had happened?: a tank-aircraft mix, maybe - and for aerodynamic reasons, the gun cannot be pointed forward, so sidewards would have made it a gunship... unpleasant but possibly built, if... (what-if...):