Mobile defense system for searching, detecting, tracking, and warning against launch of warfare means including missile and rocket launches, and aircrafts including unmanned aerial vehicles, and for targeting and intercepting missiles, rockets, other warfare means, and aircrafts including unmanned aerial vehicles, comprising firearms, ammunition, radars, computers, computer software, sensors, controllers, and a weapons mount; Firearms, namely, a portable, autonomous, missile and unmanned aerial vehicle defense system with multiple target search and engagement capabilities; Computer-controlled portable rapid fire defense system comprised of a rotatable weapons mount including cannon and laser firearms with automatic acquisition, tracking, targeting, and intercepting capabilities; Gun mounts; Mobile gun mounts