 It seems that Richelieu hoped that des Gouttes would give the necessary advice to de Sourdis who would have the personality to force it on to d'Harcourt.Squabbles between the officers rendered the fleet inoperable throughout 1636 and it wasn't until February 1637 when de Sourdis attacked Oristano in Sardinia.The purpose was to exchange Oristano for the Lérins.