
The Air Force has called it quits on one of its main hypersonic weapon research-and-development programs to better concentrate investment on a second prototype program in light of constrained budgets in fiscal year 2021. Service Chief of Media Operations Ann Stefanek confirmed to reporters Feb. 10 that the service’s Hypersonic Conventional Strike Weapon (HCSW) prototype effort would conclude, and that funding would instead be focused on the Air-Launched Rapid Response Weapon (ARRW) program. Both R&D efforts were being led by…