Complex sentence: Rechristened by the French as Base Ingénieur Général Stosskopf in July 1946, the new name commemorated Jacques Stosskopf, who had been the German deputy director of naval construction at the base and gave valuable information to the Allies during the war.
Split into simpler sentences: Rechristened by the French as Base Ingénieur Général Stosskopf in July 1946, the new name commemorated Jacques Stosskopf. He had been the German deputy director of naval construction at the base and gave valuable information to the Allies during the war.