Mysterious hypersonic SR-72 demonstrator spotted in California

Mysterious hypersonic SR-72 demonstrator spotted in California

WHY THIS MATTERS IN BRIEF Hypersonic platforms, from autonomous aircraft to “carrier killers” and missiles, so it’s inevitable that over the next five or so years sightings are going to increase   Lockheed Martin’s Advanced Development Program (ADP), better known as “Skunk Works,” might be further along in the development...

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