Leidos will work with the Air Force Research Laboratory under a contract of up to $334 million to develop an air-breathing hypersonic system for the Mayhem program, the Defense Department announced Friday. Research and development of Mayhem -- also called the Expendable Hypersonic Multimission Intelligence, Surveillance and Reconnaissance and Strike program -- will take place at Wright-Patterson Air Force Base, OH, and run through October 2028, according to DOD. DOD received six offers in the competitive acquisition process before making...