ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvəntˌiːn, dʒˈeɪnweɪ ɹɪzˈaɪnd hɪz pəzˈɪʃən æt dʒˈɑːnz hˈɑːpkɪnz ænd ˈɛntɚd ðə mˈɛdɪkəl sˈɜːvɪsᵻz ʌvðə jˈuː.ˈɛs. ˈɑːɹmi, wɪððə ɹˈæŋk ʌv mˈeɪdʒɚ.
In 1917, Janeway resigned his position at Johns Hopkins and entered the medical services of the U.S. Army, with the rank of Major.