Kammala jumla mai zuwa: A lokacin Yaƙin Napoleon Maucune ya jagoranci 39th a cikin Marshal Michel Ney's VI Corps a Elchingen a cikin kamfen na 1805 da Jena, Magdeburg, Soldau, da Eylau a cikin kamfen na 1806<unk>1807. An ci gaba da zama babban jami'in, ya jagoranci brigade a Friedland a 1807. A Spain daga 1808 zuwa 1811, ya umurci brigade a Gallegos,
Tamames, Alba de Tormes, Ciudad Rodrigo, Almeida, Bussaco, Casal Novo, da kuma Fuentes de Onoro.