[1][2] Based at Brest, France, Jules Verne operated in the Atlantic Ocean, English Channel, and North Sea.

[1][2] On 18 January 1934, she assisted the French cargo ship SS Saint Prosper, which had struck a rock in Alderney Race off Cap de la Hague on the Cotentin Peninsula.

[1] In 1940 the Allies made plans to intervene in Norway to prevent the shipment of iron ore from Sweden to Germany via Narvik on the Norwegian coast.

[4][5] Twelve French submarines were to participate in the operation, supported by Jules Verne, under the overall command of Royal Navy Vice Admiral Max Horton.

She supported French submarines at Casablanca, then in November 1940 was placed under guard in an unarmed and unfueled state at Bizerte, Tunisia, in accordance with the terms of the June 1940 armistices.

[1][2] She underwent a refit at Bizerte, then was reactivated and got underway for Dakar in Senegal in French West Africa under escort by the submarine La Psyché.

As a unit of the Free French Naval Forces, Jules Verne completed her assignment at Dakar in December 1942, then served at Port Étienne in Mauritania from January to September 1943.

[1] In August 1945, the month in which World War II ended with the surrender of Japan, she was converted into a repair ship for duty in French Indochina.

[1] She underwent two refits during her service in French Indochina, one at the beginning of 1948 at Toulon, France, and one in late 1952 and early 1953 at Uraga, Japan.