Photo: Joel Kowsky · Public domain (US government)

Soyuz 2.1b/Fregat | EKS 4 (Tundra 4) (Kosmos 2546)

Success Russian Space Forces, Soyuz 2.1b Fregat

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Mission

Government/Top Secret · MEO

The Tundra or EKS (meaning Unified Space System) series of satellites is the next generation of Russian early warning satellites.

Where to watch

Replay Launch webcast

Remind me

Before liftoff
Also notify me of

If the launch moves, your reminders move with it, and at the time of your first reminder we tell you the new date.