For educational purposes<br /><br />Benign aircraft has always proved useful for modification to the military. <br /><br />During the Southeast Asian War, such benign cargo planes were modified into some of the most extraordinary and destructive weapon systems of all time. <br /><br />The hastily improvised AC-47 "Spookies" roamed the night skies of South Vietnam, defending outposts against lethal enemy assaults with blazing fire from three side-mounted guns. <br /><br />The success of these makeshift gunships led to the creation of more sophisticated airborne predators, such as the AC-130.