China's Hypersonic Boost Glide ReEntry Vehicle Wu -14. As of now it has been declared operational. The Wu-14 is a strategic weapon designed to deliver nuclear warhead you flying at an altitude lower and avoid being intercepted by Ballistic Missile Defence Missiles. The launch system is nicely explained in this video. India's K-15 and K-4 ballistic missiles also have similar warheads but its diagrams and pictures are a highly guarded secret. | Next Generation Weapons Technology