Once selected, NASA astronauts go through twenty months of training in a variety of areas, including training for extravehicular activity in a facility such as NASA's Neutral Buoyancy Laboratory.
wˈʌns sᵻlˈɛktᵻd, nˈæsɐ ˈæstɹənˌɔːts ɡˌoʊ θɹuː twˈɛnti mˈʌnθs ʌv tɹˈeɪnɪŋ ɪn ɐ vɚɹˈaɪəɾi ʌv ˈɛɹiəz, ɪŋklˈuːdɪŋ tɹˈeɪnɪŋ fɔːɹ ˌɛkstɹəvɪhˈɪkjʊlɚɹ æktˈɪvᵻɾi ɪn ɐ fəsˈɪlᵻɾi sˈʌtʃ ɐz nˈæsɐ nˈuːtɹəl bˈɔɪənsi lˈæbɹətˌɔːɹi.