 Complete the following phrase:  At the declaration of World War II in September 1939, French submarine forces aligned 77 vessels out of which 47 were launched in advantage ten years prior and 19 submarines in due course of construction, a submarine supply vessel, the Jules Verne was in service since April 1932. The French Navy counted 9 units of 1200 tons-class, 29 units of the 1500 tons-class  and Phénix, were lost accidentally in 1932 and 1939; 38 units of the 600 tons-class  was lost in 1928 and Nymphe was condemned in 1938 out of which 6 mine laying submarines of the and grand cruiser 