Complex sentence: Zeus was similar to the two Nike SAM designs that preceded it; it used a long range search radar to pick up targets, separate radars to track the target and interceptor missiles in flight, and a computer to calculate intercept points.
Split into simpler sentences: Zeus was similar to the two Nike SAM designs that preceded it. It used a long range search radar to pick up targets, separate radars to track the target and interceptor missiles in flight, and a computer to calculate intercept points.