Core Viewpoint - The "South Sky Gate Plan" is a significant focus at recent air force open activities and the Changchun Air Show, representing China's independent development of an aviation-themed sci-fi intellectual property aimed at establishing a global comprehensive strategic defense system [3]. Group 1: Project Overview - The "South Sky Gate Plan" aims to create a strategic defense system composed of large strategic aerospace platforms, aerospace fighters, and tactical mechs [3]. - The project has developed 500,000 words of text and nearly 100 weapon design blueprints [3]. Group 2: Public Engagement - The initiative allows the public to closely view concept models, participate in science popularization interactive magic, and experience operating various aerospace fighters [3].