No problem, but keep in mind that the Sgt. York failed in a different mission. Who wants to perform air defense with cannons these days, after all?!
I want gattling cannons to be used for anti-personnel operations, a mission that this weapon already excels at on the battle-proven A-10 ground attack fighter.
5 Legislative Days Left Until The AWB Expires
Why not use the self-propelled M163 or buy more of the LAV-AA the USMC has?
Both are already available... all you need to do is hang a little extra armor on it.