Duty station - Archive: Drvar, Gjilan/Gnjilane, Vienna and field operations, Gjilan/Gnjilane and Prizren, Tirana, Albania, Vushtrri/Vucitrn (-) Drvar (-) Gjilan/Gnjilane (-) Vienna and field operations (-) Gjilan/Gnjilane and Prizren (-) Tirana, Albania (-) Vushtrri/Vucitrn