She then took part in Allied operations in the Mediterranean, supporting the Provence Landings and shelling Nazi and Fascist troops on the coasts of Italy until the end of the war.

[4] Launched on 14 August 1923,[3] she was one of the longest light cruisers of the era, which made her a fast ship, capable of sustaining 30 knots for an entire day during trials.

For the occasion, the top of her upper turrets was painted in Blue-White-Red colours, to make identification easier and avoid attacks by belligerents.

[5] On 16 October 1939 Duguay-Trouin intercepted the German merchant ship Halle 200 miles (320 km) south-west of Dakar.

[4][3] Axis forces occupying the so-called Free Zone in November 1942 made Armistice terms between France and the Third Reich moot, and Duguay-Trouin rejoined the Allies on 30 May 1943.

[5] She supported the landings in southern France in August 1944[4][3] and subsequently undertook bombardments along the Italian coast with the Flank Force until April 1945.

[10] On 28 May 1947, with the outbreak of the Indochina War, Duguay-Trouin departed Toulon, bound for the Far East by way of Diego-Suarez in Madagascar,[3][5] arriving at Saigon on 13 November 1947.