Before revision: The Air Force dropped out of the tri-service hypersonic project in 2020, leaving only the Army and Navy on the C-HGB.Bryan Clark (21 April 2020) DoD Is Running the Wrong Way in the Hypersonics Race 500 pound payload; maneuverability at Mach 5 is an issue; possible red herring for fundingJOSEPH TREVITHICK 928 million According to Air Force chief scientist, Dr. Greg Zacharias, the US anticipates having hypersonic weapons by the 2020s,Sean Kimmons (31 May 2019), "Joint hypersonic weapon tests to start next year", Army News Service hypersonic drones by the 2030s, and recoverable hypersonic drone aircraft by the 2040s.
After revision: The Air Force dropped out of the tri-service hypersonic project in 2020, leaving only the Army and Navy on the C-HGB.Bryan Clark (21 April 2020) DoD Is Running the Wrong Way in the Hypersonics Race payload; maneuverability at Mach 5 is an issue; possible red herring for fundingJOSEPH TREVITHICK 928 million According to Air Force chief scientist, Dr. Greg Zacharias, the US anticipates having hypersonic weapons by the 2020s,Sean Kimmons (31 May 2019), "Joint hypersonic weapon tests to start next year", Army News Service hypersonic drones by the 2030s, and recoverable hypersonic drone aircraft by the 2040s.