Bion-M is a new generation of Russian space capsule intended for biological research and capable of returning living organisms to Earth from orbit. The 'M' letter stands for "modified" in Russian. The latest generation received a new propulsion system enabling the increase in weight of scientific instrumentation, maneuverability of spacecraft, and extending the mission's length. The configuration of both spacecraft and the launch vehicle for the Bion missions are similar to the Progress cargo and Soyuz manned missions but the capsule itself derives from older Zenit photoreconnaissance satellites based on Vostok manned capsules.

The launch date is currently targeted for March 25, 2025 (UTC).

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Provider	Roscosmos
Vehicle	Soyuz-2
Location	LC-31/6 Baikonur Cosmodrome Kazakhstan
All dates and times should be submitted in UTC timezone. Use Estimated Date if you don't know the official launch date and time; otherwise, use Window Opens/Closes and/or Planned T-0, which will override the Estimated Date.
— Estimated Date —
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— Window Opens —
Date
Time
Launch Date	March 25, 2025
Launch Time
— Planned T-0 —
Date	March 25, 2025
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— Window Closes —
Date	March 25, 2025
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Bion-M no. 2

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