Electric "stun-guns" as part of the cockpit equipment, as at United, is as far as it may go at some carriers. The logistics and safety of loaded weapons in the cockpit are impractical reality in a civil aviation environment. Ex military and other wannabe aerial Rambos are a loud reactionary minority inside ALPA and APA that has stirred a disproportinate amount of media hyped fear and desperation among the shocked traveling public; ...as if more suicidal terrorists armed with pocket knives and boxcutters might be on the next flight....