sentences:  The Haganah escorts remained with the immigrants during the first deportation phase and escaped the detention camp with the help of 'Mossad Aliyah Bet'.From 1947 until the Israeli independence, he served as commander of Palyam as commander of the first Israeli Navy Flotilla, composed out of four illegal ships.On March 17, 1948, the Naval Service (precursor of the Israeli Sea Corps) was established and the Palyam members were ordered to join it.