Is the author confused, or am I confused as to the proposed armament on this plane? Does it have a railgun or some sort of EMP generator, or does a railgun gen

Is the author confused, or am I confused as to the proposed armament on this plane? Does it have a railgun or some sort of EMP generator, or does a railgun generate an EMP? (I don't think it does, because other railgun articles never mention it.)