According to Colin Smith's “England's Last War against France”, page 320, there was a battery of 330 mm Modèle 1931 guns, the same as the main armament of Dunkerque and Strasbourg, at Orongea Point defending Diego Suarez in 1942. http://www.navweaps.com/Weapons/WNFR_13-50_m1931.htm gives these...