According to the newly announced defense strategy of the US Department of Defense, although Russia's invasion of Ukraine highlights the "serious threat" constituted by Moscow, China is the biggest security challenge to the United States.

Comprehensive Bloomberg and Agence France -Presse reported that the document announced by the Pentagon on Thursday (October 27) stated that China is trying to destroy the United States' alliance relations in the Indo -Pacific region and use its continuous strengthening military powerCome and threaten close neighbors, and describe this dynamic as "the most comprehensive and serious challenge to US national security."

The strategy also states that Beijing does not rule out force attacks. It is also a factor that destroys stability. It has the risk of misjudgment and will threaten the peace of the region.

The report concluded that China is still "the most important strategic competitors in the next decades", and Russia is still a "urgent" threat.

The US Secretary of Defense Austin also emphasized the different challenges brought by China and Russia when the non -secret version of this strategy was announced.

Austin said, "China is the only competitor who intends to reshape the international order and has become more and more powerful."

He pointed out that unlike China, Russia does not, Russia does not do not, no Russia does not, no Russia does not, no Russia does not, no Russia does not.It may be systematically challenged in the United States for a long time, but Russia's aggression does constitute a threat of "direct and sharp".

In the reports of missile defense and nuclear weapons announced on Thursday, the threat of China and Russia is also mentioned.According to the report, China and Russia have become more aggressive in their military strength. It is reflected in Russia to launch a war of invasion at the end of February, and China has upgraded its long -term threat of attack.

The report also said that Beijing is narrowing the gap with Washington in terms of ballistic missiles and hypersonic missile technology, and Moscow is modernizing its intercontinental missile system and developing advanced precise blows missiles.

Nuclear strategic documents point out that China hopes to have at least 1,000 nuclear warheads that can be delivered at the end of the decade, and say that they may be used to "coerce the purpose, including the military allies and regional partners in the region's partners.provocative".

The strategic file did not disclose which non -nuclear threats would cause the United States to make nuclear rights.The current threats include high supersonic weapons owned by Russia and China. The United States has not proven defense.

On the other hand, the documents also warned North Korea with the most tough measures, saying that if North Korea launch nuclear attacks against the United States, South Korea or Japan, it will face the consequences of "the end of the Kim Jong -un regime".Nuclear weapons will continue to play a role in curbing the Korean attack.

The nuclear strategy confirms the US military reserve modernization plan, such as replacing the aging, land, air, air and air trinity nuclear combination capabilities, including the Navy's Columbia -class intercontinental ballistic missile nuclear submarine, new air -radical remote defense zone outside weapons, as well as for used for it for useF-35 fighter with nuclear attack capabilities in Europe.

The strategic documents of the Pentagon are sent to the U.S. Congress with confidential reports in March, so that Congress can review it in the 2023 fiscal defense budget.