Complex sentence: Following the incident involving the ship "Atalena", the less-than-willing Irgun was disbanded and its members, Mordchelewitz among them, were integrated into the IDF, for whom he then fought until the end of the 1948 Arab-Israeli War.
Split into simpler sentences: Following the incident involving the ship "Atalena", the less-thn-willing Irgun was disbanded and its members, Mordchelewitz among them, were integrated into the IDF. In the IDF he then fought until the end of the 1948 Arab-Israeli War.