from https://lemmygrad.ml/post/11103468/7986806 (@[email protected]):

The United States conducted a strenuous test of the Long Range Hypersonic Weapon /Dark Eagle and it’s common hypersonic glide body last week. The test involved two significant sharp turns at hypersonic speeds within the earth’s atmosphere, a 10° turn 600 km after launch, and a 30° turn 1400km after launch, after gliding for already over 800km at hypersonic speeds after the previous turn. This shows the advantage maneuverable hypersonic glide vehicles and hypersonic weapons in general offer over ballistic missiles, even ballistic missiles with maneuverable re-entry vehicles. You can see the two plotted turns here, vs the original course. Massive deviation:

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IF the test was successful, expect a Dark Eagle deployment to Guam within the next few weeks. Also expect testing of the air launched (from tactical fighter aircraft) Hypersonic Attack Cruise Missile, HACM, in Australia soon this year. Essentially a miniaturised and weaponised X-51 Waverider, scramjet powered hypersonic cruise missile light enough to be launched by tactical fighter aircraft (total all up round weight of less than 5000lbs, including the rocket booster, X-51 used an ATACMS booster, this will be smaller on the HACM, and not aerodynamically destabilising).

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