 Nyorai kuenderera mberi kweiyi ndima - Muna Nyamavhuvhu 1920, Tachibana akasimudzirwa kuva mukuru uye kubva muna Ndira 1921 kusvika muna Mbudzi 1922 akagadzwa semutungamiri mukuru wekupedzisira wemauto eJapan mukuita kweJapan muSiberia. Kukwidziridzwa uku kwakaitika pamusoro pekushora kweArmy Chief-of-Staff General Uehara Yusaku, uyo aida kuti Tachibana atore chinzvimbo chakakurumbira cheInspector General weMilitary Training. Pamusangano wevatori venhau muVladivostok, Tachibana akataura kuti aitarisira kuti Far Eastern Republic ichakurumidza kugadzira hurumende yakagadzikana, yezvematongerwo enyika uye yakazvimiririra mudunhu iri, sezvo Japan yakanga isingafarire kuramba ichipindira mune zvematongerwo enyika zveRussia. 