Complex sentence: In 2004, Uriahu Butler became the first member of the community to enlist in the Israel Defense Force (IDF) and by 2006 more than 100 of their youth were serving in the IDF in regular units.
Split into simpler sentences: In 2004, Uriahu Butler became the first member of the community to enlist in the IDF. As of 2006 more than 100 of their youth were serving in the IDF in regular units.