A shekara ta 1994, Claudie Haigneré ya fara horo a Cibiyar Horar da Cosmonaut ta Yuri Gagarin a Star City, Rasha don aikin Franco-Russian Cassiopée kuma ya koyi Rasha a lokacin da take can. A ranar 17 ga Agusta, 1996, ta zama mace ta farko ta Faransa da za ta je sararin samaniya yayin da ita da 'yan saman jannati biyu na Rasha, kwamandan kwaminisanci Korzun da injiniya Aleksandr Kaleri, suka kaddamar da su a cikin sararin samaniya a cikin jirgin sama na Soyuz TM-24 wanda mijinta na gaba Jean-Pierre Haigneré ya halarta. A ranar 18 ga Yuni, 1999, Claudie Haigneré ya zama mace ta farko da ta yi ritaya daga aikin injiniya na Turai don nazarin kimiyya da fasaha. Bayan da ta ziyarci tashar sararin samaniya ta Rasha a ranar 18 ga Yuni, 2001, ta zama mace ta farko da ta yi ritaya daga aikin injiniya na kimiyya da fasaha. Bayan da ta ziyarci tashar sararin samaniya ta Rasha a ranar 16 ga Yuni, 1999, Claudie Haigneré ta zama mace ta farko da ta yi ritaya daga aikin injiniya na kimiyya da
18 ga Yuni, shekara ta 2002