Assistant to the torpedo service on the semi-dreadnought battleship in the Mediterranean squadron (1909) then assistant to the electricity-torpedo service on the armored cruiser , 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 , he obtained the exit price there and the Minister's thanks for a note on fire control devices (August- December 1912 ).