Footage of a second test flight of the X-51A Waverider over the Pacific Ocean on June 13. Courtesy Video | Defense Media Activity | Date: 06.16.2011 AiirSourceâ„ covers military events …
A comparison between a slow subsonic round and a CCI Hypersonic round. I wasn’t sure if we’d see much of a difference in speed since we were very close to …
more at “Highlights from the second test flight of the X-43A hypersonic aircraft.” see also: X-43 3rd test flight (to Mach 10) Public domain film from NASA, slightly cropped to …