Breaking Defense Inside S1MA, the French built world’s largest supersonic wind tunnel, amid global scramble to test hypersonic, jet technology https://breakingdefense.com/2023/03/inside-worlds-largest-supersonic-wind-tunnel-amid-global-scramble-to-test-hypersonic-jet-tech/ Hype AI Summary France has built the world's largest supersonic wind tunnel, S1MA, in response to the global need for testing hypersonic jet technology. Despite digital simulation, wind tunnels are still the best way to test cutting-edge platforms.