Enterprise, being a one-off design, wasn't the best candidate for the mothball fleet. I do wonder whether anyone at the Pentagon, with an eye toward events in east Asia, has considered future vessel retirements and the possibility of sending those older flight decks into the fleets of Australia or Japan.
I know that both have political sensitivities with regard to carriers and/or nuclear power, but it just seems like a natural fit in the Pacific if they can get past those issues.
Enterprise was offered to the Japanese SDF. They said no. Australia has said they don’t want a carrier.