Well, It turned out that Debbie's parents visited this location this summer also. Here are a couple photos that they gave to us about the same area.
Here is a view of some more of the cannons on display.
Here are a couple more views of the Yorktown from the landward and seaward side.
Here is a good shot of the destroyer.
Here are some nice views of a display they have recreating a Vietnam war fire base.