Russian Hypersonic Missile Scientists Arrested for Treason Charges.

Three Russian scientists who were behind the country's hypersonic missile technology have been arrested on suspicion of high treason within the past year. The arrests have caused an uproar among colleagues who warn that Russia's knowledge on the subject faces "impending collapse." Russia's missile technology was at one point acknowledged as unstoppable, but Kyiv claims its US-supplied air defense systems have been able to shoot many of the missiles down, leading to the Kremlin's harsh response.