Sion Airport PC-6, Pilatus PC-7, Pilatus PC-9 and Pilatus PC-21 as well as helicopters it uses Sion intensively with the fighter jets F/A-18 and F-5 Tiger. It is the home base of the militia pilot unit Fliegerstaffel 19 Swans with F-5E. Sion Airport is, at both ends of the runway, equipped with retractable arresting gear devices (used by the F/A-18 and in case of a problem by the F-5). Because of the redimension of the Swiss Air Force it is planned that the Air Force will leave Sion after 2017 and Sion will be used by civil aviation only, acting only as
Sion-sur-l'Océan Jean de Monts is also visible north of Sion. Many water activities can be practiced such as sailing, canoeing, surfing and kiting. Environment conducive to walking, riding, canoeing and cycling. Tourism is favorised by numerous food and housing accommodation. Sion neighborhood has made the town of Saint-Hilaire-de-Riez one of the most touristic cities of Vendée. Between sea, forest and dunes, Sion Ocean has kept its soul and charm of an authentic old fishing port. Every summer, the fireworks fired from the sea attracts thousands of people (50,000 in 2016). The creation of the Village of Sion is mainly the work