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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?


To: Tenchusatsu who wrote (1401572)5/5/2023 1:58:35 PM
From: Broken_Clock  Read Replies (1) | Respond to of 1574888
 
abc.net.au

The US has confirmed that China tested a nuclear-capable hypersonic glide vehicle from a near-orbital trajectory in August, after the Chinese government denied that it was a weapon and said it was merely a space vehicle.

The test comes amid an intensifying global race for the next generation of long-range weapons that are harder to detect and intercept.

In recent months, the United States and Russia have both conducted tests of hypersonic weapons, with North Korea saying it too had tested a newly developed hypersonic missile.

How the missile worksHypersonic missiles travel at more than five times the speed of sound in the upper atmosphere — or about 6,200km per hour.

This is slower than an intercontinental ballistic missile (ICBM) but the shape of a hypersonic glide vehicle allows it to manoeuvre toward a target or away from defences.

Hypersonic missiles can also travel for longer without being detected by radar.

Combining a glide vehicle with a missile that can launch it partially into orbit — a so-called fractional orbital bombardment system (FOBS) — could thus strip adversaries of reaction time and traditional defence mechanisms.

ICBMs, by contrast, are long-range missiles that carry nuclear warheads on ballistic trajectories that leave the earth's atmosphere before re-entry, pursuing a parabolic trajectory towards its target – but they never reach space.