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Raytheon and Northrop Grumman are developing the next-generation Hypersonic Attack Cruise Missile, also known as HACM, for the U.S. Air Force. (Credit: Raytheon)

GAO warns that Air Force’s hypersonic cruise missile program is behind schedule

Program delays will force the Air Force to reduce the number of flight tests it can conduct for the Hypersonic Attack Cruise Missile, according to the GAO's…

Jun 11, 2025 By Mikayla Easley