It will dominate the seas. Or its a $13 sitting duck. The US itself could sink it with numerous weapons.
Air to sea missiles
Land to sea missiles
Ships
Drones
Subs
You would need a fleet of destroyers around it and numerous fighters constantly in the air to keep it safe. And its never safe from either Russia or China.
5 kilotons within a half mile or so would ruin her whole day!
An aircraft carrier is good for beating up a third world nation.
So those forces are tied up defending a sitting duck. Where does correct and profound military strategy begin and kickbacks to congressional districts end?