I wonder if this is related to Boeing’s announcement: https://www.boeing.com/features/2018/06/hypersonic-concept-vehicle.page https://www.boeing.com/features/20

I wonder if this is related to Boeing’s announcement: https://www.boeing.com/features/2018/06/hypersonic-concept-vehicle.page https://www.boeing.com/features/2018/06/hypersonic-concept-v...