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
Ion Theodorescu-Sion to "Tinerimea" and "Arta Română" salons, Theodorescu-Sion exhibited his work at the Atheneum, the "Universul" newspaper art show, Dalles Gallery and various other venues. With Ressu and Arthur Verona, Sion was also co-founder, in 1921, of Romania's first artists' trade union ("Sindicatul Artelor Frumoase"), which militated for basic social security but also had a political and (according to art expert Vasile Radu) "utopian" agenda. Briefly, their plans earned official support during the interval when Victor Eftimiu, a Symbolist playwright and rich art collector, was Minister of Culture and the Arts. In the early interwar years, Sion was also one of