How Russia’s ICBM Design School Laid the Groundwork for the Oreshnik Hypersonic Ballistic Missile

Russian rocket scientists created the new Oreshnik intermediate-range ground-based hypersonic ballistic missile from scratch, five years after the US unilaterally terminated the Intermediate-Range Nuclear Forces Treaty restricting such weapons. Sputnik asked a retired Russian Air Defense Forces colonel and missile expert how this became possible.