<P> A carrier strike group (CSG) is an operational formation of the United States Navy . It is composed of roughly 7,500 personnel, an aircraft carrier, at least one cruiser, a destroyer squadron of at least two destroyers or frigates, and a carrier air wing of 65 to 70 aircraft . A carrier strike group also, on occasion, includes submarines, attached logistics ships and a supply ship . The carrier strike group commander operationally reports to the commander of the numbered fleet, who is operationally responsible for the area of waters in which the carrier strike group is operating . </P> <P> Carrier strike groups comprise a principal element of U.S. power projection capability . Previously referred to as Carrier Battle Groups (a term still used by other nations), they are often referred to by the carrier they are associated with (e.g., Enterprise Strike Group). As of March 2016 there were 10 carrier strike groups . </P>

What ships make up a carrier strike group
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