Yep. The US can station a carrier task force off of most shores in the world and overpower their entire military.Since WW2. That's why the Navy's new plan calls for 20 carriers. One carrier has more firepower than all but a few nations.Aircraft carriers are the center of naval task forces. All other ships serve as escorts and so are designed for defense against submarine, small surface and aerial attack and command and control of the fleet. The first line of defense against the two latter are of course the carriers' own planes.