Complex sentence: Carrier Strike Group One, abbreviated as CSG-1 or CARSTRKGRU 1, is one of five U.S. Navy carrier strike group currently assigned to the United States Pacific Fleet.
Split into simpler sentences: Carrier Strike Group One, abbreviated as CSG-1 or CARSTRKGRU 1, is a U.S. Navy carrier strike group. It is currently assigned to the United States Pacific Fleet.