tartu was one of six s () built for the french navy during the 1930s. the ship entered service in 1933 and spent most of her career in the mediterranean. during the spanish civil war of 1936–1939, she was one of the ships that helped to enforce the non-intervention agreement. when france declared war on germany in september 1939, all of the "vauquelin"s were assigned to the high sea forces ( (fhm)) which was tasked to escort french convoys and support the other commands as needed. "tartu" was briefly deployed to scotland in early 1940 to support the allied forces in the norwegian campaign, but returned to the mediterranean in time to participate in operation vado, a bombardment of italian coastal facilities after italy entered the war in june.