You can't fuel an aircraft carrier from profits, if the oil runs out.

Hate to be that guy but aircraft carriers run on nuclear power. The jets on the other hand...

	▲	dredmorbius a day ago \| parent [-]
		Every other surface ship in the task force, along with resupply vessels, also burns oil. The US had nine nuclear cruisers, but retired the last one, the USS South Carolina in 1999. <https://en.wikipedia.org/wiki/Nuclear-powered_cruisers_of_th...> Currently the US only operates nuclear-powered aircraft carriers (11 active, two under construction), and submarines (69 active).