Dreben akanyoresa musi waJune 27, 1899 mu14th Infantry Regiment uye akaendeswa kuPhilippines (yakawanikwa neU.S. somugumisiro wokukunda kwayo muSpanish-American War) kuti ibatsire kupedza kupandukira kwevanhu vomunharaunda
inotungamirirwa naEmilio Aguinaldo. Akakurumidza kuzviratidza muhondo. Gare gare, akabatanidzwa mukununurwa kwevanhu vokuMadokero vakanga vakakombwa muBeijing panguva yeBoksers Rebellion. Akadzingwa basa muna 1902, akatora mabasa akawanda asingagutsi, kusanganisira kuedza kurwira maJapan muHondo yeRussia neJapan, asati adzokazve muna 1904. Panguva ino, akanga ari paFort Bliss. Ikoko ndiko kwaakarovedzwa kushandisa pfuti, unyanzvi hwaakazozivikanwa nahwo (uye hwaizoda mumakore akazotevera). Akaita shamwari muEl Paso iri pedyo, Texas asati apedza basa rake rechiuto rechipiri muna 1907.