Promoted ensign in October 1904, he went to Kersaint where he headed a detachment of sailors responsible for protecting the French legation in Seoul during the Russo-Japanese War.

Student at the School of Torpedo Officers on the cruiser Amiral Cécille in Toulon, he graduated patented August 1908 with an official testimony of satisfaction.

Assistant to the torpedo service on the semi-dreadnought battleship Patrie in the Mediterranean squadron (1909) then assistant to the electricity-torpedo service on the armored cruiser Waldeck-Rousseau, he was appointed lieutenant in October 1911 then became a student of the School of Gunnery in Toulon (1912) and from the School of Application of Sea Shot aboard the armored cruiser Pothuau, he obtained the exit price there and the Minister's thanks for a note on fire control devices (August- December 1912 ).

Aide-de-camp to Admiral Sagot-Duvauroux, maritime prefect of Toulon in 1921, he was promoted to frigate captain ( February 1922 ), he served as second of Pothuau in the division of Mediterranean schools and joined the commission for practical studies of naval artillery.

[1] Commander-in-chief and maritime prefect of the 4th region in Algiers July 1940 – October 1942), he was promoted to admiral in November 1940 and is responsible for the protection of supply convoys intended for the mainland.