20211028T1030-HYPERSONIC-ARMS-RACE-1511056.JPG

Russia's President Vladimir Putin, fifth from left, visits the National Defense Control Center in Moscow Dec. 26, 2018, to oversee the test of a new Russian hypersonic missile system called Avangard, which can carry nuclear and conventional warheads. (CNS photo/Sputnik/Mikhail Klimentyev/Kremlin via Reuters)