“Another system, the SS-19 Mod 4 (Avangard), reached its initial operational capabilities in 2018 and is the only deployed strategic hypersonic system in the world,” RIA Novosti quoted him as saying at a congressional hearing.
Freistler added that hypersonic missiles are able to avoid sensors and defense systems, they pose a threat to the United States.
Earlier, the Ministry of Defense reported that the Russian Armed Forces hit the key elements of the military infrastructure of Ukraine with the Kinzhal hypersonic missile system.