 Ramba uchiverenga ndima iyi - Hanneken akatanga basa rake semurwi, achishanda muHondo dzeBhanana dzema1910 nema1920. Munguva yokurwiswa kweHaiti neUnited States, akauraya mutungamiri wevapanduki ainzi Charlemagne Péralte, izvo zvakaita kuti apiwe Medal of Honor. Gare gare, achibvumirwa basa, Hanneken akashanda muHaiti kwemamwe mwedzi inoverengeka uye akapiwa Navy Cross nokuda kwokuponda mumwe mutungamiriri wevapanduki. Akagamuchira muchinjikwa wechipiri weNavy nokuda kwezviito zvake mukati mekugara kweNicaraguamukupera kwema1920. 