Swiss nationals vote on the purchase of fighter planes

epa04211949 (FILE) A file picture dated 11 October 2012 shows a Saab Jas Gripen F Demonstrator jet performs during a flight show of the Swiss air force in Axalp near Meiringen, Switzerland. Swiss nationals are voting on the purchase of 22 Swedish fighter planes for Switzerland’s air force on 18 May 2014. The focus of the controversial debates between supporters and opponents has been security concerns and the costs ? CHF 3.1 billion Swiss Francs (3.5 billion US Dollars), for the acquisition of 22 JAS-39 Gripen fighter jets made by Swedish company Saab. EPA/PETER KLAUNZER