 Complete the following phrase:  At the start of the Second World War in 1939, nineteen Arras-class avisos had been retired and only eleven still remained in active service. Several ships of the class were active in the evacuation of Allied Forces after the collapse of France in June 1940. One of which, Vauquois was sunk by a naval mine in 18 June 1940. After the Armistice of 22 June 1940 was signed between Nazi Germany and the French Third Republic, the French navy became split in two. French navy ships in British ports were interned and soon passed to the fledgling Free French Naval Forces. These were Amiens, Arras, Belfort, Coucy, and Epinal. Those ships still in France and her colonial empire swore allegiance to the new collaborationist Vichy French government of Philippe Pétain. Calais participated in the 