the First Squadron at Toulon. On 27 June 1935 she was in attendance of a Naval Review at the Bay of Douranenez. In 1935 the Marine Nationale co-operated with a film company for the production of Veille d'armes, directed by Marcel L'Herbier, a romantic melodrama about a captain in the French Navy. The cruiser Dupleix was made available for location shooting in and around its base in Toulon, and L'Herbier sought to incorporate into the drama as much detail as possible about the ship and its procedures. In April 1937 the First Light Division was reformed as the First Cruiser Division with Dupleix, and . During 1937 she underwent a major refit then returned to Toulon. War service On the outbreak of war in September 1939 she was at Toulon with the other five treaty cruisers. On 14 October she was deployed with Algérie to Dakar, Senegal as part of La Marine Nationale's Force X to hunt German surface raiders and merchantmen. The two cruisers were designated Force M by the British based at Dakar. On 25 October with the contre-toppilleurs and intercepted and captured the German merchantman Santa Fe. Upon the arrival of , and Algérie returned to France as Force Y. On 7 December she sailed with the cruiser Foch, the British cruiser , the British carrier and two contre torpilleurs, and . The ships were informed of the engagement off the River Plate when they were 850 nm from Pernambuco. They returned to Dakar to refuel so they could better place themselves if escaped to the sea. Force X again sortied from Dakar on 30 December, returning on 5 January 1940. She departed Dakar for the last time on 23 January with the cruiser Foch to escort a convoy from Bermuda to Morocco. Both ships then returned to Toulon. On the night of 13/14 June she participated in Operation Vado, the bombardment of Genoa and Vado, Italy by the Third Squadron. The Vado Group included the cruisers Foch and Algérie and the Genoa Group included the cruisers Dupleix and Colbert. The bombardment cause little damage as Group Genoa fired at the wrong target and half of Group Vado shells fell into the sea. The squadron returned to Toulon by mid-day on 14 June. Foch suffered a steering malfunction but returned safely. On 25 June the Franco-German Armistice took effect and La Marine National ceased all offensive operations.