Russia and China are leading in hypersonic innovation. Here’s what’s holding the U.S. back

A Russian JSC Rosoboronexport KH-69 air-launched cruise missile and RVV-BD and RVV-MD2 air-to-air hypersonic long-range guided missiles are pictured during the 2023 Dubai Airshow.
A Russian JSC Rosoboronexport KH-69 air-launched cruise missile and RVV-BD and RVV-MD2 air-to-air hypersonic long-range guided missiles are pictured during the 2023 Dubai Airshow.
Giuseppe CACACE - AFP