Soyuz-2 Ionosfera-M n° 3 & 4

Final two satellites for the constellation of the Russian space weather monitoring system called "Ionozond". The constellation consists of four spacecraft; the first two were launched in November 2024 from Vostochny Cosmodrome. Additional payload will include: 239Alferov (239Alferov, 239PTS, FTS-239), MIET-SatLAB, RUVDSSat1, Geoskan-1, Geoskan-2, Geoskan-3, Geoskan-4, Geoskan-5, Geoskan-6, INNOSAT3, INNOSAT16, KAI-2, nanosatellites.

A Roscosmos Soyuz-2 rocket will launch the Ionosfera-M n° 3 & 4 mission on Friday, July 25, 2025 at 5:54 AM (UTC).