The aircraft carriers that were in the training cycle or undergoing light maintenance were quickly made available for these operations.

FORBES: Why Does The United States Only Have Eleven Aircraft Carriers?

Two were in-port for light maintenance and were conducting shore-based training events.

FORBES: Why Does The United States Only Have Eleven Aircraft Carriers?

It's a good idea to learn enough about the basics of auto maintenance to undertake simple chores such as changing air filters or replacing light bulbs, though even this can be tricky in some cars.

WSJ: Diagnostic Tools to Unleash Your Inner Mechanic