Russia has heaped praise on its new S-500 missile system, but it is still unclear if it can actually build the systems in meaningful numbers.
Russia has activated its S-500 Prometheus air defence system for the first time, boosting its missile defence.
The S-500 Prometheus is Russia's most advanced next-generation air and missile defence system. It is a powerful, mobile surface-to-air missile (SAM) and anti-ballistic missile (ABM) system. Russia's ...