June 25, 2021 7:50 pm
Pion-NKS No. 1 (Kosmos 2550)
|
Soyuz 2.1b
Plesetsk Cosmodrome, Russian Federation
Days
Hours
Minutes
Seconds
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Last Updated:
2026-07-11 17:25:34
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.
Launch Overview
Window Open
19:00 UTC
Window Close
21:00 UTC
Lift Off
Jun 25, 2021 · 19:50 UTC
Launch Facility
Plesetsk Cosmodrome, Russian Federation
Launch Pad
43/4 (43R)
Target Orbit
Low Earth Orbit
Payload Overview
Customer
Russian Space Forces
Payload
Pion-NKS No. 1 (Kosmos 2550)
Rocket
Soyuz 2.1b
Destination
Low Earth Orbit
Recovery Overview
Landing Location
See Mission Notes
Landing Type
RTLS / Droneship
Watch Live
📺 Watch on YouTube
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.
Height
LEO Payload
Total Launches
Status
Russian Space Forces
43/4 (43R)
Launch Overview
Window Open
19:00 UTC
Window Close
21:00 UTC
Lift Off
Jun 25, 2021 · 19:50 UTC
Launch Facility
Plesetsk Cosmodrome, Russian Federation
Launch Pad
43/4 (43R)
Target Orbit
Low Earth Orbit
Payload Overview
Customer
Russian Space Forces
Payload
Pion-NKS No. 1 (Kosmos 2550)
Rocket
Soyuz 2.1b
Destination
Low Earth Orbit
Recovery Overview
Landing Location
See Mission Notes
Landing Type
RTLS / Droneship
Watch Live
📺 Watch on YouTube
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