Duty station - Archive: Vienna, Gjilan / Gnjilane, Dnipropetrovsk (Dnipro), Banja Luka, Bujanovac/Presevo, Vienna and Field Operations (-) Vienna (-) Gjilan / Gnjilane (-) Dnipropetrovsk (Dnipro) (-) Banja Luka (-) Bujanovac/Presevo (-) Vienna and Field Operations