NASA to fly super-quiet supersonic jets over U.S. cities "within three years" – HotAir

NASA to fly super-quiet supersonic jets over U.S. cities “within three years”

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<blockquote class="wp-embedded-content"><a href="https://hotair.com/headlines/archives/2018/11/nasa-fly-super-quiet-supersonic-jets-u-s-cities-within-three-years/">NASA to fly super-quiet supersonic jets over U.S. cities &#8220;within three years&#8221;</a></blockquote>
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