 Accordingly, as a result of "Rubis"s service with the FNFL, the boat was made a companion of the Ordre de la Libération by a decree issued by General Charles de Gaulle on 14 October 1941.After serving in Toulon with the 7th and later 5th Submarine Squadrons, in 1937 "Rubis" was transferred to Cherbourg.During the Norwegian campaign, in May 1940, "Rubis" laid mines off the Norwegian coast; the boat's mines claimed four Norwegian vessels in May and June, and a further three merchant ships in July.