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