Aliyah Bet was carried out by the Mossad Le'aliyah Bet, a branch of the Jewish Defense Association (Haganah), the para-military organization that was to become the Israeli Defense Force (IDF).
Aliyah Bet dilaksanakan oleh Mossad Le'aliyah Bet, suatu cabang Jewish Defense Association (Haganah), organisasi para-militer yang kemudian menjadi Israeli Defense Force (IDF; "Pasukan Pertahanan Israel").