AFRL XQ-58A Valkyrie expands flight envelope in fourth test

The Air Force Research Laboratory and Kratos Defense; Security Solutions, Inc., completed the successful fourth flight of the XQ-58A Valkyrie demonstrator, a long-range, high subsonic unmanned air vehicle, at Yuma Proving Grounds, Arizona, on Jan. 23, 2020. (U.S. Air Force Photo)


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