Complex sentence: The project was the continuation of an anti-missile laser weapons system started under the administration of Bill Clinton in the U.S. and Shimon Peres in Israel; it was known then as the Pillar of Fire project.
Split into simpler sentences: The project was the continuation of an anti-missile laser weapons system started under the administration of Bill Clinton in the U.S. and Shimon Peres in Israel. It was known then as the Pillar of Fire project.