Science and Technology Weighing 120,000 Tons, Measuring 242 Meters Long and 684 Meters Wide, and Operating at 30 km Altitude, the Luanniao, Nantianmen Project, Aims to Create a “Mother Ship” Capable of Launching Xuannü Drones and Hypersonic Missiles at the Edge of the Atmosphere and Space Valdemar Medeiros 30/01/2026 at 22:50