Soyuz 2.1b | Pion-NKS No. 1 (Kosmos 2550)

Launch Provider & Rocket

• Provider: Russian Space Forces (Government)
• Rocket: Soyuz 2.1b — Soyuz family

Mission

The Russian Pion-NKS (14F139) satellites are the naval component of the next generation ELINT satellite system Liana. As a replacement for both the passive ELINT US-PM and the active radar US-A, they carry both ELINT sensors as well as an active radar.

• Type: Government/Top Secret
• Orbit: Low Earth Orbit (LEO)

Launch Site

• Pad: 43/4 (43R)
• Location: Plesetsk Cosmodrome, Russian Federation
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