Pedzisa mutsara unotevera: Pashure pokugamuchira mutongo wakareruka munyika yake wokumiswa basa kwemwedzi mitanhatu, Brunet akapindazve muuto reFrance muna February 1870, achingorasikirwa zvishomanene bedzi nouduku hwake. Mukati meHondo yeFrench-Prussian ya1870-1871 akazviratidza muhondo dze
Spicheren, Mars-la-Tour uye Gravelotte. Akabatwa somusungwa paKukombwa kweMetz. Pashure pehondo Brunet akaita basa rinokosha senhengo yeVersailles Army mukudzvinyirira kweParis Commune. Akashanyira Royal School of Military Engineering muUnited Kingdom muna August 1871, uye gare gare gore iroro akaitwa mukuru weLégion d'honneur uye akapiwa se aide de camp kuna Gurukota reHondo, Ernest Courtot de Cissey.