When people with severe obesity undergo bypass surgery that seals off part of the stomach, the remaining stomach then produces much less: 1. ghrelin.
The Carrier Strike Group (CSG), composed of roughly 7,500 personnel, an aircraft carrier, at least one cruiser, a flotilla of six to 10 destroyers and/or frigates, and a carrier air wing of 65 to 70 aircraft.
Updated March 30, 2017. The Navy has a large variety of ships in the fleet. The most well-known types are the aircraft carriers, submarines and destroyers. The Navy operates world-wide from many bases. The large ships -- aircraft carrier groups, submarines and destroyers -- travel around the world. Smaller ships such as the Littoral Combat Ship are based near their place of operations.