the depth-charge throwers were removed in 1936 and more 200-kilogram depth charges were carried in their place. the ship's 13.2-millimeter machineguns were repositioned in front of the bridge in early 1939. the four single 37-millimeter mounts aboard "vauquelin" were replaced by a pair of twin mounts in may 1940. the navy reconsidered its anti-submarine warfare tactics after the war began in september and reinstated the pair of depth-charge throwers, although these were an older model than the one previously installed. "vauquelin" received hers in june 1940 and she was fitted with a british alpha 128 asdic system later in december. a pair of browning 13.2-millimeter aa machineguns were installed abaft the mainmast in late 1940–early 1941. during the ship's 6 august – 7 september anti-aircraft refit, the mainmast was replaced by a platform for the two 37-millimeter twin-gun mounts and a single browning, the hotchkiss machine guns were moved to new platforms between the funnels and their former positions were occupied by new brownings.