He was named vice admiral in 1869 and served on the Admiralty Council (Conseil d'amirauté). He was named Préfet Maritime de la Manche et de la Mer du Nord, a position he held between 1869 and 1871 and during which he served to guard the Brittany coast during the Franco-Prussian War.
In 1869, he was appointed vice admiral and served on the Admiralty Council. He held the role of Préfet Maritime de la Manche et de la Mer du Nord from 1869 to 1871, where he protected the Brittany coast during the conflict between France and Prussia.