| 21. | Expedition 25 began with the Soyuz TMA-18 undocking on 25 September 2010.
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| 22. | Expedition 23 began with the Soyuz TMA-16 undocking on 18 March 2010.
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| 23. | Following undocking it conducted Earth observation experiments for ten days prior to being deorbited.
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| 24. | The final undocking would take place at 18 hours and 20 minutes into the mission.
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| 25. | It would have remained docked for six months, before undocking on 5 March 2012.
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| 26. | Undocking depended on the outcome of additional computer repair work Saturday night, Mission Control said.
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| 27. | The other wing and the nose cap will be inspected on flight day twelve following undocking.
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| 28. | "Atlantis " was given a green light for undocking on flight day 12.
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| 29. | After Worden fixed the connection, undocking and separation occurred properly about half an orbit late.
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| 30. | On the Service Module after the undocking of the ( LM ) Lunar Module if provided.
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