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A comment on Lockheed Martin to develop ground-launched hypersonic missile. Parent comment

Re:Lockheed Martin to develop ground-launched hypersonic mis... by cobalt on Tuesday January 21, 2020 @01:01AM (#22104626)
what the russians built, we built in the 50s-60s (https://en.wikipedia.org/wiki/Supersonic_Low_Altitude_Missil...)
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Re:Lockheed Martin to develop ground-launched hypersonic mis... by __m on Tuesday January 21, 2020 @02:53AM (#22105076)
It says an airframe was never constructed, let alone tested, much like my perpetual motion machine
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