Notable women in included Elżbieta Zawacka, an underground courier who was sometimes called the only female "Cichociemna". organised an intelligence network in German-occupied Belarus in 1942–1944. and Emilia Malessa were high-ranking officers described as "holding top posts" within the communication branch of the organisation. headed the distribution branch. Several all-female units existed within the AK structures, including "", an entirely female sabotage unit led by Wanda Gertz, who carried out assassinations of female Gestapo informants in addition to sabotage. During the Warsaw Uprising, two all-female units were created—a demolition unit and a sewer system unit.