 In February 1943 she traveled across Germany, France and Spain to Gibraltar, where she was transported by air to London.In Great Britain she went through parachute training, and on 10 September 1943, dropped into Poland, as the only woman in the history of the "Cichociemni".In 1944 Zawacka fought in the Warsaw Uprising and after its collapse moved to Kraków, where she continued her underground activities.