Nimitz-class nuclear-powered aircraft carrier costs about $4.5 billion and can serve for 50 years. The overall maintenance cost for 50 years is $20 billion.

This does not include carrier-based aircraft, surface and submarine shield fleets equipped for aircraft carriers.

Plus 6-8 frigates and destroyers, at least 8 billion yuan. There are submarines and supply ships. At the same time, the maintenance and construction of the military port need to be spent.

During the service period, * * * needs $60 billion.