Most would say an army isn't a weapon, it has weapons. (Edit: completely missed my chance for a composition-over-inheritance joke here!) Given that mass destru

Most would say an army isn't a weapon, it has weapons. (Edit: completely missed my chance for a composition-over-inheritance joke here!) Given that mass destruction can be performed, the distinction to me is whether the "WMD" is a weapon (and not a collection of weapons). Like a MIRV with many warheads, we consider that one WMD don't we? If instead it had thousands of drones in it, what's the difference?