Shortly after the unveiling of the Oreshnik hypersonic ballistic missile in 2024, President Vladimir Putin boasted that the medium-range weapon was a state-of-the-art Russian creation, not an upgrade of a Soviet-era system.

Russia’s Oreshnik intermediate-range ballistic missile (IRBM) has an unfixable flaw in its guidance system that causes it to miss targets by dozens of…

A leaked Russian factory letter suggests a Soviet-era guidance failure may be causing Oreshnik missiles to miss targets by tens of kilometers.