US Air Force photo to the DARPA / Lockheed Martin Have Blue prototype
US Air Force Photo
2011-09-15
<a rel="nofollow" class="external free" href="https://www.darpa.mil/WorkArea/DownloadAsset.aspx?id=2580">http://www.darpa.mil/WorkArea/DownloadAsset.aspx?id=2580</a>