A source found this article on line from the Washington Post that indicates any further expansion of the IWN project is currently on hold:
An article has appeared on-line that summerizes what I found earlier:
This article links to a new report by the DpJ Office of the Inspector General. That report can be found here:
Unfortunately, this report has much of the technical information that appeared in an earlier OIG report redacted for public release.
And more industry reporting on the subject: