Dupleix was the fourth unit of the . She entered service in 1933 and spent the interwar period in the Mediterranean. She participated in the International Patrol during the Spanish Civil War. September 1939 found her still in Toulon. She participated in the search for the "Graf Spee" in the Atlantic before returning to Toulon. The only time she fired her guns in anger was during the bombardment of Vado, Italy in mid-June 1940. She was at Toulon at the time of the Franco-German Armistice in June 1940. She remained at Toulon until the French Fleet there was scuttled in late November 1942. She was subsequently raised by the Italians in 1943.