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.

Mission type: Government/Top Secret · Orbit: Low Earth Orbit

Rocket: Soyuz 2.1b · Provider: Russian Space Forces