Kammala jumla mai zuwa: A ranar 12 ga Maris, 1864, an ba shi mukamin "Leutnant zur See I Klasse", wanda a ranar 20 ga Mayu aka sake masa suna "Kapitänleutnant". A lokacin yakin Schleswig na biyu a 1864 ya umurci jirgin ruwa mai dauke da makamai. Ya shiga cikin
Yaƙin Jasmund a ranar 17 ga Maris a ƙarƙashin jagorancin Eduard von Jachmann. Bayan yakin, ya yi aiki na shekaru uku a cikin babban kwamandan sojan ruwa Oberkommando der Marine. A can, ya yi aiki a matsayin mai taimakawa kuma a matsayin memba na hukumar don gina torpedo. Yaƙin Austro-Prussian ya faru a wannan lokacin; tunda Monts ba shi da umarnin teku ba ya ga wani aiki. Ya yi aiki a jirgin daga 1 ga Agusta 1867 zuwa 27 ga Mayu 1868. A ranar 20 ga Fabrairun 1868 An ba da Monts zuwa "Korvettenkapitän" (laftanar kwamandan) a matsayin wani ɓangare na ɓangaren don sojojin ruwa da na bakin teku. Monts ya zama kwamandan Kwamandan Torpedo a Wilhelmshaven a ranar 16 ga Yuli 1870, kwana uku kafin barkewar Yaƙin Franco-Prussian. Rundunar sojan ruwa ta Faransa ta yi ƙoƙari ta kewaye Wilhelmshaven a farkon watanni na yakin, amma jiragen ruwa na Faransa ba su da isasshen kwalba don su kasance a tashar da za su iya ci gaba da kewaye, kuma ba su kai hari ga tashar jiragen ruwa ba; a sakamakon haka, Monts bai ga wani aiki ba a lokacin yakin.