HaYam Ha'Ivri (The Jewish Sea) - Bulletin about naval issues from the Betar Naval Department. Among the topics: internal Betar discussion about the naval issue, various meetings regarding Betar Naval School, the Association of Friends of Jewish Navigation in England, the ship Sarah Aleph, numbers and facts, and in memoriam of Abraham Strausberg, who drowned during training. Also in the file: Terms of admission into the Betar Naval School Fishing Department in Civitavecchia.