On July 26, 1968, an SR-71 Blackbird was cruising over Northern Vietnam when the aircraft's Reconnaissance Systems Officer (RSO) noticed the “R” light illuminate on his panel. This warning indicated ...

Even the best titanium found for the SR-71 was still rejected frequently as the exotic metal is sensitive to corrosion from chemicals and other alloys that most metals were not affected by.

That's the same organization that developed the SR-71 Blackbird, and now it's working with NASA on ... Usually, when an aircraft breaks the sound barrier, it generates a sonic boom. NASA hopes to ...