There were also cases of fights with the Home Army.[1] At the end of the war, many units and structures of this organization clearly cooperated with the Nazis and Gestapo (the case of the Holy Cross Mountains Brigade and Hubert Jura).[2][3][1][4] Accused of antisemitism.[5][6][7] Most NSZ units also did not submit to the Polish government-in-exile and conducted fratricidal fights with other Polish partisan formations.[8] In post-war Poland, NSZ fought with the communist authorities.