 Dunlap akaberekerwa muWashington, D.C., akagadzwa kuva mukuru mukuru wechipiri muMarine Corps musi waAugust 8, 1898. Akashumira achisiyanisa muSpanish-American War; muPhilippine-American War Dunlap akabatanidzwa kuMarine Corps Philippines regiment kubva muna Chivabvu 1899 kusvika Chivabvu 1902; panguva iyoyo yakashanda kuChina kubva muna Chikumi 25, 1900 kusvika Gumiguru 9, 1900 uye akapinda muhondo yeTientsin neChina, kusanganisira Hondo yeTientsinKupandukira kwevaBhokisi. Akanga akagara paIsthmus yePanama, ipapo akabatanidzwa mubasa reU.S. reVeracruz, Mexico, muna 1914. 