Soyuz 2.1a/Fregat-M | Neitron (Kosmos 2553)

Soyuz 2.1a/Fregat-M is a Russian government mission carrying the Neitron payload into Low Earth Orbit. The Neitron is a classified payload, details of which are not publicly available. This mission is part of a broader, ongoing program with significant commercial and scientific implications. The Soyuz 2.1a rocket is a variant of the Soyuz family, utilizing a Fregat-M upper stage for increased payload capacity and flexibility. This launch marks the 24th flight of a Soyuz 2.1a rocket and the 26th flight of a Fregat-M upper stage. The mission is expected to utilize a previously flown booster, contributing to the Russian Space Forces' efforts to reduce launch costs and increase the efficiency of their launch operations.

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