Russia's Tundra Satellite System

Context: Recently, Russia has successfully placed into orbit a military satellite. The satellite is believed to be a Tundra Satellite, part of Russia's early warning anti-missile system named Kupol or dome.
Key Points

• The Soyuz rocket carried what is believed to be a Tundra satellite, part of Russia’s missile warning system named Kupol or dome.
• It is designed to detect launches of ballistic missiles and track them to their landing site.
• The system has been designed as a replacement for the current system of early warning satellites called Oko.
• It is a military satellite believed to be part of its early warning anti-missile system.
• It carries a secure emergency communications payload to be used in case of a nuclear war.
• It is a series of satellites that are the next generation of Russian early warning satellites to replace the early warning satellites of the Oko-1 system.
• They are part of the EKS or Unified Space System (USS-Also sometimes referred as Kupol or dome), which will also include several satellites in geostationary orbit.

Note: Unveiled in 2019, Kupol is designed to detect launches of ballistic missiles and track them to their landing site, though its exact configuration is unknown.