pˈaʊɚɹ ɛnlˈɪstᵻd ɪnðə mɚɹˈiːn kˈɔːɹ ɹɪzˈɜːv ˌɔn dʒuːlˈaɪ sˈɛvən, nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi tˈuː, ænd wʌz sˈuːn ɐsˈaɪnd tʊ ˈɑːfɪsɚ kˈændᵻdˌeɪts skˈuːl.
Power enlisted in the Marine Corps Reserve on July 7, 1942, and was soon assigned to Officer Candidates School.