Video infrastructure site Delve Networks launched TroopTube in partnership with the Department of Defense a few days ago as a more secure alternative to YouTube, which the DoD banned in 2007. TroopTube is basically Youtube, but without the embedding feature, and the DoD has moderation and censorship controls. Now Delve Networks CEO says Google is up to no good, trying to convince the DoD that TroopTube won't scale, and that YouTube's exclusive arrangement with Barack Obama means the troops won't be able to watch the president's weekly talks. "Google is trying to attack TroopTube," he says. The email is below, and we're following up with Google for a comment.