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J-20 stealth fighter china
China's J-20, a fifth-generation fighter jet.Reuters
  • Combat and transport aircraft are being developed by China.

  • A flight to Europe by China's Y-20 airlifter and regular patrols by J-20 fighters are important milestone for those jets, officials say.

  • China's troops and hardware are largely untested in combat, despite the new capabilities that worry China's neighbors.

The US Defense Department has warned that the US military's advantage in the air is gradually being eroded by China's rapidly built one of the world's largest aviation forces.

In the last few weeks, China's premier fighter jets and strategically valuable airlifters have reached milestone that underscore Beijing's increasing focus on and investment in military aviation.

In early April, six Y-20 cargo planes arrived in Belgrade to deliver what were believed to be Chinese-made HQ-22 surface-to-air missiles to Serbia's military. The 5,000-mile flight by the Y-20s was seen as a demonstration of Beijing's ambitions for global power projection.

A top official with the Aviation Industry Corporation of China, the state-owned firm developing the J-20 fighter jet, said that J-20s are now conducting regular patrols over the East and South China seas.

The developments are indications that China's air force is growing more confident in its ability to operate farther and farther from Chinese shores with newer and newer aircraft, according to a senior international defense researcher.

J-20 stealth fighter china
China has struggled to develop new engines for the J-20.Reuters

The AVIC official said that the J-20s were conducting alert patrols over the South China and combat patrols over the East China Sea, which required a higher level of readiness. The switch to a Chinese heart for the jets was said to have made it possible.

Russian-made engines were used in the J-20. Some of the J-20s in service are fitted with an upgraded version of an older Chinese-made engine, but China has struggled to develop a specifically designed engine for the J-20. The lack of engine power is expected to prevent the J-20 from adopting advanced weaponry and high-end operations.

The upgrade of the WS-15 shouldn't be overstated, as it will put the jet on par with the US's F-22, but it is at least a generation behind.

The WS-15 has the usual Chinese problems of short maintenance schedules, or just a short lifespan due to maintenance issues, and quality-control issues and general under performance.

The J-20 has left an impression on US commanders, who have noted that Chinese pilots are flying it well.

It is still too early to tell whether the J-20 will be used as a multi-role fighter like the F-35 or be focused on air superiority like the F-22, but China is showing it can use the jet effectively.

There is a propaganda aspect to the J-20 patrols. They are a demonstration of Chinese military muscle that is not only directed at the US.

Logistics and heavy lift

A Chinese People's Liberation Army Air Force Y-20 transport aircraft
A Chinese military Y-20 transport aircraft at Airshow China 2018 in Zhuhai, November 7, 2018.AP Photo/Kin Cheung

The Y-20 has been operational for about a decade, and China has focused on developing the Y-20 fleet to support longer-range military operations.

Two Y-20s delivered more than 30 tons of supplies to Tonga prior to the flight to Serbia, after that country was devastated by a volcanic eruption. A former Chinese military instructor told the South China Morning Post that the Y-20's longest overseas flight was 6,000 miles.

In November, an aerial-refueling variant of the Y-20 took part in a military flight near Taiwan for the first time, demonstrating a capability considered essential to support longer-range and longer-duration flights by China's fighters and bombers.

The US and Australian officials say they face a renewed threat of attack from Beijing because of the expanding reach of Chinese military aircraft.

Patrick Cronin, Asia-Pacific Security chair at Hudson Institute think tank, said that the flight to Serbia captured the attention of people in Australia.

Chinese Y-20 cargo planes delivering medical supplies to Wuhan
Y-20s delivering medical workers and medical supplies to Wuhan in February 2020.TPG/Getty Images

This is the kind of logistical and heavy lift that China is building and that could use some of these facilities and access points that they are putting money into.

Long-distance flights to unfamiliar areas have training value, but Chinese pilots already have experience in the older Russian-made Il-76 and Il-78 cargo planes that China's military has used for decades.

The difference is they are using the Y-20 more than the Il-76s and 78s, but it is not a dramatic change.

I am not sure if the Chinese know if they can deploy combat forces into a hostile country that is armed with the latest equipment, like surface-to-air missiles.

The original article is on Business Insider.

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