Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Jirgin sararin samaniya na farko na Kelly ya kasance a matsayin matukin jirgi na Space Shuttle Discovery a lokacin STS-103 a watan Disamba na 1999. Wannan shi ne karo na uku na sabis na Hubble Space Telescope, kuma ya ɗauki kusan kwanaki takwas. Jirgin sararin samaniya na biyu na Kelly ya kasance a matsayin kwamandan aikin STS-118, aikin jirgin sama na kwanaki 12 zuwa ISS a watan Agusta 2007. Jirgin sararin samaniya na uku na Kelly ya kasance a matsayin memba na ma'aikata a kan Expedition 25/26 a kan ISS. Ya isa ISS a cikin Soyuz TMA-01M a ranar 9 ga Oktoba, 2010, kuma ya yi aiki a matsayin injiniyan jirgin har sai ya karbi umurnin tashar a ranar 25 ga Nuwamba, 2010 a farkon Expedition 26. Tafiya ta 26 ta ƙare a ranar 16 ga Maris 2011 tare da tashi daga Soyuz TMA-01M. A watan Nuwamba na 2012, an zaɓi Kelly da ɗan saman jannati na Rasha Mikhail Korniyenko don aikin shekara guda zuwa ISS. Shekararsu a sararin samaniya ta fara ne tare da ƙaddamar da Soyuz TMA-16M a ranar 27 ga Maris, 2015, kuma sun kasance a tashar don Expeditions 43, 44, 45, da 46. Ofishin ya ƙare a ranar 1 ga Maris, 2016, tare da tashi daga Soyuz TMA-18M daga tashar. Scott Kelly ya yi ritaya daga NASA a shekara ta 2016. Dan uwan tagwayen Kelly, Mark Kelly, shi ma ɗan saman jannati ne mai ritaya. A ranar 12 ga Afrilu 2019, NASA ta ba da rahoton sakamakon likita, daga Nazarin Twin Astronaut, inda wani tagwayen dan saman jannati ya shafe shekara guda a sararin samaniya a Tashar Sararin Samaniya ta Duniya, yayin da ɗayan tagwayen ya shafe shekara guda a Duniya, wanda ya nuna canje-canje da yawa na dogon lokaci, gami da waɗanda suka shafi canje-canje a cikin DNA da cognition, lokacin da aka kwatanta tagwayen ɗaya da ɗayan.  Tambaya: Yaushe ya isa Soyuz?
9 ga watan Oktoba 2010