This article is from 4 years ago. I provide it mostly for the diagram it has showing what the Flight III program is:
45% rebuild...it is an extensive change.
Another item I think you will be interested in...
As much as three years ago, there was "talk" of adding a smaller SPY-6 array to the Flight IIAs:
Now, it looks like they are going ahead with it. Money has been applied towards it: