is a US Naval base
in San Diego
. It is the northern end of Coronado, which is connected to the rest of the continental US by a bridge and a man-made roadway/beach.
The base is mostly used for helicoptor and support or anti-sub warfare aircraft squadrons. A large assortment of heavy aircraft also hang out on the base, such as C-130 transports.
As for ships, it is the home of several naval carriers. Almost every other ship goes further into the San Diego bay to the 36nd Street shipyards.