Here are some suggestions you might consider.
You can add a fighter spawn (entpnt) on Ford Island by rotating A1, the Large Airfield, 90 degrees. This is so the entpnt can face east or west with the runway, and assign it as fighter spawn just like an airspawn.
Also, next to the Port tower, place one of the "dumb ships" so the ambient sound of the ship engines will make sense in this configuration.
I tried using the TE to assemble a nearby base for the ships instead of a prebuilt vBase but so far, it has crashed the game every time. imo It would be good to have such an invisible base (no icon) without guns overlooking the north side of the bay. It could act like the Fleet HQ if someone clicks the ship icon. Perhaps adding a second fighter spawn on Ford Island as well. If you like the idea let me know and I'll try to make some time later in the week and see if there's another way to do this.
ps
Oh, I also set one ship as a struct, pretty fragile, and another as a fuel bunker for fire and smoke. Setting as a vh would require much more damage but maybe for the BBs. Don't go crazy with the fire and smoke, it's a frame rate killer.