Correct Answer: B. China
Detail About MCQs
China’s self-developed JF-22 wind tunnel is ready for hypersonic tests after passing a final evaluation. Based in the Huairou district north of Beijing and reputedly the world’s fastest, the wind tunnel can simulate the environment in which a spacecraft re-enters the atmosphere. The goal of the JF-22 wind tunnel is to accelerate the development of a space-to-earth shuttle system.