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.
With 10 aircraft carrier groups, dozens of destroyers, 22 cruisers (nearest rival Russia has five) and a large modern submarine force, the US Navy rules the seas. This blue-water branch of the US military is run by more than 320,000 people and is also the owner of the largest warships in the world.