Moving forward with its air-breathing hypersonic effort, the Air Force Research Laboratory called on contractors Tuesday to submit research proposals for the Mayhem program. The Expendable Hypersonic Multi-Mission ISR and Strike program, known as Mayhem, is focused on delivering larger payloads farther than current hypersonic technology can, according to an AFRL broad agency announcement . The service is looking for Mayhem to have strike as well as intelligence, surveillance and reconnaissance capabilities. The BAA didn’t include the objectives of this...