National Security Journal on MSNOpinion

The Air Force’s ‘Shockwave’ Mach 3 XB-70 Valkyrie Bomber Would Have Been A Mistake

The North American XB-70 Valkyrie was a “technical marvel” of the 1950s—a Mach 3, 70,000-foot nuclear bomber designed to ...
Science Daily

Hypersonic breakthrough could enable planes that fly 10 times the speed of sound

Hypersonic flight could one day make long-haul travel as quick as a short movie. Researchers are testing how turbulence ...