Complex sentence: Carrier Strike Group Nine, abbreviated CSG-9 or CARSTRKGRU 9, is one fo five U.S. Navy carrier strike group currently assigned to the U.S. Pacific Fleet.
Split into simpler sentences: Carrier Strike Group Nine, abbreviated CSG-9 or CARSTRKGRU 9, is a U.S. Navy carrier strike group. It is currently assigned to the U.S. Pacific Fleet.