National Security Journal on MSNOpinion
The SR-71 stopped flying nearly three decades ago — its Mach 6 successor SR-72 could restore US edge, but no one knows if it’s real
Lockheed Martin’s Skunk Works has been publicly discussing the SR-72 “Son of Blackbird” — a hypersonic reconnaissance and ...
National Security Journal on MSN
At Mach 6.7 and 4,520 mph, the X-15 set the crewed aircraft speed record in 1967 — 59 years later, no one has flown faster
On October 3, 1967, U.S. Air Force pilot William “Pete” Knight flew the X-15A-2 to 4,520 miles per hour — Mach 6.7 — setting ...
American aviation company Boom Supersonic has recently achieved a major milestone as its XB-1 supersonic test jet received clearance from the Federal Aviation Administration (FAA) to soar beyond Mach ...
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