Space.com on MSN11d
Boom Supersonic's XB-1 jet flew in front of the sun so NASA could take this incredible shock wave photo
"This image makes the invisible visible — the first American made civil supersonic jet breaking the sound barrier." ...
The National Interest9d
XB-70 Valkyrie: The Greatest Warplane America Never Adopted
The North American XB-70 Valkyrie emerged from a United States Air Force requirement in the mid-1950s for a bomber capable of delivering nuclear payloads at speeds and altitudes beyond the reach ...
CBS News18d
Civilian jet breaks sound barrier during historic test flight over Mojave Desert
The XB-1 aircraft, manufactured by Boom Supersonic, was piloted by Tristan "Geppetto" Brandenburg, the company said in a news release. The plane, nicknamed "Baby Boom," took off from Mojave Air ...