Pedzisa mutsara unotevera: Mwanakomana womukuru mukuru wehondo, Drum akanga achipinda Boston College apo baba vake vakaurawa mukati meHondo yeSpain neAmerica. Akapiwa basa chairo muUnited States Army, Drum akagadzwa kuva lieutenant wechipiri weInfantry. Akashanda muPhilippines panguva yePhilippine-American War, akatora chikamu muHondo yeBayan, uye akagamuchira Silver Star yeushingi. Akaramba achifambira mberi kuburikidza nenzvimbo dzepamusoro uye mutoro mukutanga kwema1900, uye akatora chikamu muVeracruz uye
Pancho Villa Expeditions.