He then commanded many different cavalry brigades in the various reorganizations of the Army of the Potomac.
hiː ðˈɛn kəmˈændᵻd mˈɛni dˈɪfɹənt kˈævəlɹi bɹɪɡˈeɪdz ɪnðə vˈɛɹiəs ɹɪˌoːɹɡɐnᵻzˈeɪʃənz ʌvðɪ ˈɑːɹmi ʌvðə pətˈoʊmək.