China recently conducted a “very concerning” test of a hypersonic weapon system as part of its aggressive advance in space and military technologies, the United States’ top military officer has said.
General Mark Milley, chairman of the Joint Chiefs of Staff, was the first Pentagon official to confirm on the record the nature of a test this year by the Chinese military that the Financial Times had reported was a nuclear-capable hypersonic weapon that was launched into space and orbited the Earth before re-entering the atmosphere and gliding toward its target in China.
Milley said he could not discuss details because aspects involved classified intelligence.
He said the United States also is working on hypersonic weapons, whose key features include flight trajectory, speed and manoeuverability that make them capable of evading early warning systems that are part of US missile defences.
The US has not conducted a hypersonic weapon test of the sort Milley said China had achieved.
“What we saw was a very significant event of a test of a hypersonic weapon system, and it is very concerning,” Milley said on in an interview.
“I think I saw in some of the newspapers, they used the term Sputnik moment,” he added.
“I don’t know if it’s quite a Sputnik moment, but I think it’s very close to that.
“So it’s a very significant, technological event that occurred, or test that occurred, by the Chinese. And it has all of our attention.”
The launch of a Sputnik satellite by the Soviet Union in 1957 stunned the world and fed US fears that it was falling behind technologically in an accelerating arms race in the early stages of the nuclear age.
China has disputed Western news reports about its test, saying it was working on technology for a re-useable space vehicle for peaceful purposes.
Asked about Milley’s remarks, White House press secretary Jen Psaki said he was conveying concern about China’s military modernisation.
“They continue to pursue capabilities that increase tensions in the region,” she said.
“And we continue to have concerns about that. And I think that was reflected in his comments.”
Some US defence experts say the worry about China’s work on a hypersonic weapon that could deliver a nuclear weapon from space are overblown.
James Acton, of the Carnegie Endowment for International Peace, wrote in an essay last week that the United States has long been vulnerable to a Chinese nuclear attack.
“While the prospect of a nuclear attack against the United States is terrifying, this is no Sputnik moment — partly because it’s not entirely clear what was tested, but mostly because the threat of a Chinese nuclear attack on the United States isn’t remotely new,” Acton wrote.
In addition to its advances in hypersonic weapons, China has been expanding its network of underground silos that could be used to launch intercontinental-range nuclear missiles, and it has rebuffed US calls to join nuclear arms control talks.
The US also has raised concerns about what it calls Chinese efforts to intimidate Taiwan, the self-ruled island that China claims as part of its territory, and to claim disputed islands and other land features in the South China Sea.
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