Duty station - Archive: Vienna, Warsaw, Sievierodonetsk, Astana, Kherson, Gjilan/Gnjilane and Prizren , Tirana, Albania, Vienna and Field Operations (-) Vienna (-) Warsaw (-) Sievierodonetsk (-) Astana (-) Kherson (-) Gjilan/Gnjilane and Prizren (-) Tirana, Albania (-) Vienna and Field Operations