- Russia's experimental intermediate-range ballistic missile launched at Ukraine was based on the RS-26 Rubezh ICBM model;
- The US was notified by Russia about the launch briefly before it occurred through nuclear risk reduction channels.
- Russia's experimental intermediate-range ballistic missile launched at Ukraine was based on the RS-26 Rubezh ICBM model;
- The US was notified by Russia about the launch briefly before it occurred through nuclear risk reduction channels.