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The Defense Department is planning a “major investment of many billions of dollars” to build components of its hypersonic weapons once production is in full swing, a top official said March 4. As the Pentagon moves forward on a series of hypersonic weapon programs across the services’ research-and-development portfolios, Undersecretary of Defense for Research and Engineering Mike Griffin said the U.S. industry will have to get back to building aeroshells to support those systems. The nation “has not been in…
