2022-03-01, 05:12 PM
(2022-03-01, 03:26 PM)NhuCanhVitBay Wrote: [ -> ] Tốc độ của hypersonic missle của Nga và Tàu chưa đạt tới mach 6 nhưng nổ là tới mach 8, còn thua xa với tốc độ ánh sáng như laser, và đó là lý do mà Mỹ không đầu tư vào hypersonic missle... Tốc độ của NASA hypersonic X-40 scramjet vào năm 1998 lên tới mach 9.6-10 sau đó là X37 lên tới hơn mach 22.... Nhưng hơn 40 năm về trước Mỹ đã có thứ bay nhanh hơn nữa khi bay ra không gian và re-entry vào khí quyễn thì tốc độc gần mach 25... Đúng vậy ! 25 mach. Vậy ai biết đó là gì không ?
Để track hay đánh chặn hypersonic thì Mỹ có hệ thống Hypersonic / Ballistic tracking Space sensor
Anh viết như vậy thì dễ rồi, từ ngoài quỹ đạo và re-entry như lúc đó là Space shuttle.
Nhưng đó là chuyện khác.
Chuyện đang nói là hypersonic missile.
Những tin tức tui đọc được hoàn toàn khác với anh
Lấy 1, 2 thí dụ
Theo video sau:
How The U.S. Fell Behind In Hypersonic Technology
hay bản tin này:
‘We Will Lose The New Cold War With Communist China Within The Decade’: House Armed Services Committee Member Reacts To CCP Hypersonic Missile Test
After a bombshell Financial Times report that China tested a nuclear-capable hypersonic missile in August which circled the planet before zoning in on its target, Republican Representative Mike Gallagher — a member of the U.S. House Armed Services Committee — said that this news should serve as a “call to action.”
“This test should serve as a call to action. If we stick to our current complacent course — or place our hopes in bankrupt buzzwords like ‘integrated deterrence’ — we will lose the New Cold War with Communist China within the decade,” Rep. Gallagher said in a statement. “The People’s Liberation Army now has an increasingly credible capability to undermine our missile defenses and threaten the American homeland with both conventional and nuclear strikes. Even more disturbing is the fact that American technology has contributed to the PLA’s hypersonic missile program.”
“We know from a recent Washington Post report that Phytium uses US-derived technology to power a military supercomputer that models hypersonic flight. While the Biden administration rightly placed Phytium on the Commerce Department’s Entity List, it has not applied the Foreign Direct Product Rule that was successfully used to counter Huawei. As a result, US-derived technology produced by TSMC still enables Phytium’s malign work. This needs to change,” Rep. Gallagher continued. “Phytium is just the beginning. The US government has long failed to apply maximum pressure against the Chinese Communist Party’s Military-Civil Fusion strategy. With our homeland now exposed, in part, by advanced technology derived from Military-Civil Fusion, we need to aggressively decouple from anything associated with Military-Civil Fusion. We must end joint ventures, investments, and research collaborations that involve areas associated with Military-Civil Fusion. We also need to stop the flow of Wall Street capital into Chinese tech.”
“American entities have a clear choice: they can side with our country, or they can side with the genocidal communist regime that now threatens our cities. They can’t do both. It is time to choose,” Rep. Gallagher concluded.
“Five people familiar with the test said the Chinese military launched a rocket that carried a hypersonic glide vehicle which flew through low-orbit space before cruising down towards its target,” the Financial Times first reported. “The missile missed its target by about two-dozen miles, according to three people briefed on the intelligence. But two said the test showed that China had made astounding progress on hypersonic weapons and was far more advanced than US officials realized.”
According to the Financial Times, U.S. intelligence has “no idea how they did this.”
“The US, Russia and China are all developing hypersonic weapons, including glide vehicles that are launched into space on a rocket but orbit the earth under their own momentum,” the report added. “They fly at five times the speed of sound, slower than a ballistic missile. But they do not follow the fixed parabolic trajectory of a ballistic missile and are maneuverable, making them harder to track.”
Nếu search trên google thì sẽ thấy là Mỹ đã bị Nga và ngay cả Tầu cộng qua mặt nên hiện tại người Mỹ đang cố gắng đuổi kịp.
Còn hệ thống HBTSS như là mới trong tình trạng thử nghiệm, đề xuất. Nếu gã khùng putin nổi cơn lúc này chắc HBTSS chưa kịp hoàn tất.
Anh là công dân Mỹ nên có vẻ đề cao người Mỹ quá nhưng đọc mấy bài báo và YT đều thấy những giới chức của chính phủ Mỹ nhìn nhận là đang thua trên lãnh vực này mà.