Corsica Corsican honey, of which there are six official varieties, is certified as to its origin (Appellation d'origine contrôlée) by the French National Institute of Origin and Quality (Institut National des Appellations d'Origine – INAO). Corsica's main exports are granite and marble, tannic acid, cork, cheese, wine, citrus fruit, olive oil and cigarettes. Corsica has four international airports: All airports are served by regional French airline Air Corsica, as well as Air France which mainly offers connections to Paris-Orly. Budget carriers such as EasyJet and Ryanair offer seasonal connections to different cities in Europe. The island has of metre gauge railway.
Defensive Organization of Corsica and to support artillery batteries capable of controlling the Strait of Bonifacio between Corsica and the Italian island of Sardinia, separated by only twelve kilometers. As World War II unfolded, no attempt was made by Italian forces to mount an opposed landing on Corsica. The island was instead occupied in November 1942. In 1943 Corsica saw fighting when German forces moved from Sardinia. Most of the fortified positions remain to the present day. During the inter-war period, Corsica's defenses were first examined in 1926, when General Debeney requested a study of the island's defenses from Vice-Admiral Salaun, the French Navy