Pentagon officials are expected to request $750 million for a new hypersonic aircraft program, dubbed "Blackswift," as part of the administration's fiscal year 2009 defense budget submission scheduled for Feb. 4, InsideDefense.com has learned. The expected move follows a September 2007 memorandum of understanding between the Defense Advanced Research Projects Agency and the Air Force to cooperate on the project. The pact was first reported by Wired . com's "Danger Room" blog. Defense officials envision the new program as a...