•hypersonic⪢⪢
U.S. officials now believe the objects are mostly likely not secret U.S. technology but they worry they could be advanced systems by another country, potentially Russia or China, both known to test hypersonic systems.
http://qindex.info/i.php?x=15561
○○○desperate⪢⪢
Their military drills threats to Taiwan and aiming a Laser beam at a US ally aircraft have not gone unnoticed, not to mention their seemingly desperate focus on hypersonic weapons which, according to the US military, are impossible to defend against.
http://qindex.info/i.php?x=23687
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