Carbon fiber fuselage of the Boom XB-1 supersonic trijet.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...e_fullsize.jpg
NASA X-43 unmanned hypersonic craft - photos
Lockheed Martin X-59 QueSST - photo
Bell X-1 drop launch from a Boeing B-29 Superfortress - video
Guy visits all SR-71 Blackbird planes - photos
Concorde flying at supersonic speed - photo
Augmented reality F-35 fuselage assembly line - GIF