Not to sound like a conspiracy theorist, but likely the problem was due to lobbying efforts of companies that are anti Open Source. Anyone remember NSA Linux (now SELinux)? It was released and soon thereafter the goverment started backpeddling in the glare of strong corporate lobbying efforts, and decided that they wouldn't release things under the GPL without serious consideration in the future. One company in particular, based in Redmond WA, lobbyied heavily to stop this sort of action, because it inhibited them from selling their 'hardened' software.
I was suprised to see DARPA (which is more independent of this sort of thing in general) giving money of such magnitude to an open product, but I'm not suprised now to see them renig without explanation.
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I was suprised to see DARPA (which is more independent of this sort of thing in general) giving money of such magnitude to an open product, but I'm not suprised now to see them renig without explanation.