President Joe Biden has expressed his concern about the development of China’s hypersonic weapons on Wednesday, Oct. 20, as U.S. forces conducted a series of tests on the same day, Reuters informed.

In separate tests on Wednesday, the U.S. Navy and Army successfully tested hypersonic weapon component prototypes at NASA’s Facility in Virginia.

It “demonstrated advanced hypersonic technologies, capabilities, and prototype systems in a realistic operating environment,” said the Pentagon in a statement.

However, the Pentagon held a new test of a hypersonic weapon but failed on Thursday, Oct. 21, suffering a setback in such a race with China and Russia.

A booster rocket which is used to accelerate the projectile to hypersonic speeds failed and the test of the projectile, the hypersonic glide body, could not proceed, CNN cited a statement from the Pentagon reported.

The hypersonic glide body is a key component needed to develop a hypersonic weapon.

The test took place at the Pacific Spaceport Complex in Alaska. Officials have started to review the test to understand the cause of the booster rocket failure.

According to Reuters, the latest test is aimed at validating aspects of one of the hypersonic glide vehicles in development.

“Experiments and tests — both successful and unsuccessful — are the backbone of developing highly complex, critical technologies at tremendous speed, as the department is doing with hypersonic technologies,” the Pentagon spokesman Lt. Cdr. Tim Gorman said in a statement.

The failure in the new test is another blow to the Pentagon as it has quickened their pace to develop hypersonic weapons, particularly as China and Russia are working to develop their own versions.

U.S. companies such as Lockheed Martin and Raytheon Technologies are working to develop the hypersonic weapon capability for the United States.

President Joe Biden on Wednesday expressed his concern about Chinese hypersonic missiles, days after China had reportedly tested a nuclear-capable hypersonic glide weapon that flew around the earth’s low orbit before returning to earth toward a target it ultimately missed.

White House spokeswoman Jen Psaki said on Wednesday that the administration had raised concerns to China about hypersonic missile technology through “diplomatic channels.”

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