Why can't we fire bomber guns on runway?
I'm pretty sure a gunner could fire the guns while taking off... if he really wanted to. Why cant we in AH?

I suspect that it was because during the war, all on board guns were stowed in a safe manner, with the chamber empty for safety reasons. No one touched a weapon until the aircraft commander announced on the inter com to release your weapons, lock and load.
I see the point though, as I to have been killed on the runway, taking off. I TO, would like to be able to fire the guns when sitting defenseless on the ground.