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Ankit Panda

Of all the thousands of tonnes of military hardware that passed along Beijing’s Changan Avenue on Tuesday, one of the most scrutinised items was the Dong Feng 17 (DF-17) hypersonic boost-glide missile. A total of 18 models were paraded on their launchers, representing two brand new units.
The DF-17 is the weapon that the US intelligence community estimated in 2017 to become the first of its kind to see operational deployment. The People’s Liberation Army Rocket Force will probably begin operating it next year.
But what is it that makes the DF-17 such an attraction and is it truly special?
Like most things, it depends.




These days, there’s a lot of hype around “hypersonic” weapons, but they have actually been around for some time. For instance, the first intercontinental ballistic missiles in the late-1950s and early-1960s saw their warheads reach hypersonic speeds.
And that’s really it: hypersonic is description of speed. The term refers to anything travelling at five-times the speed of sound or greater. In the contemporary setting, hypersonic missiles can be split into two categories: hypersonic cruise missiles and hypersonic boost-glide weapons.
The latter are more exotic and draw greater scrutiny. Unlike traditional ballistic missile re-entry vehicles, which are propelled to great heights by a booster rocket only to fall back to Earth on a roughly predictable trajectory, boost-glide vehicles leverage atmospheric lift and drag forces to glide – imagine a pebble skipping over the surface of a lake.
As they glide they accumulate tremendous heat and speed. To a limited degree, they can manoeuvre low to evade radars designed to look for high-flying missile re-entry vehicles outside the Earth’s atmosphere. Because they give such little warning, in the final moments of flight, the weapons can catch point defences – such as short-range missile defence systems – off guard.




In the case of the DF-17, China has looked to build up a highly precise system. US analysis of the missile’s first tests in November 2017 found an impressive degree of precision – with the test units apparently striking within metres of their targets.
The announcer during this year’s National Day parade in Beijing emphasised that the DF-17 was a conventional-only weapon. That means that when it is deployed with the PLA Rocket Force, it won’t have a role in the delivery of nuclear weapons. That may change in the future, but the system’s precision will allow it to serve a useful conventional role for the Chinese military.
China’s display of military might suggests its ‘nuclear triad’ is complete
In a conflict, weapons like the DF-17 would pose a formidable challenge for the United States and its allies. For instance, rapid conventional strikes could disable critical US command centres and even airfields along the first island chain.
US officials have expressed concern about their inability to defend against these kinds of threats.
“We don’t have any defence that could deny the employment of such a weapon against us,” General John Hyten, who is now vice-chairman of the Joint Chiefs of Staff, said in March last year.
While efforts to develop hypersonic boost-glide weapon defences are under way, efforts remain in the preliminary stages.

The official clarification that the DF-17 remains conventional is an important stabilising step. Until China moves otherwise, US planners will know in peacetime that DF-17 units, wherever they may be, will only serve a conventional warfighting role.
China’s development of the DF-17, along with Russia’s pursuit and deployment of a similar weapon known as the Avangard, have prompted interest in these kinds of capabilities in the US, and research and development into such weapons is ongoing.
China’s military parade was a celebration of national pride, resolve and modernity. For the first time since the initiation of the 2015 top-down reform of the PLA, Chinese President Xi Jinping showed in Beijing what the country’s new forces look like.
The DF-17, in particular, stands at the vanguard of the newly modernised military, underscoring China’s proficiency with emerging technologies.
Ankit Panda is a senior editor at the Diplomat


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Is China’s DF-17 hypersonic missile a serious threat to the United States?

China’s DF-17 hypersonic boost-glide missile was one of the most closely watched items on parade in Beijing on Tuesday. Photo: AP

Members of China's People's Liberation Army (PLA) Rocket Force let out a yell as they march in formation during a parade to commemorate the 70th anniversary of the founding of Communist China in Beijing, Tuesday, Oct. 1, 2019. Trucks carrying weapons including a nuclear-armed missile designed to evade U.S. defenses rumbled through Beijing as the Communist Party celebrated its 70th anniversary in power with a parade Tuesday that showcased China's ambition as a rising global force. (AP Photo/Mark Schiefelbein)

China’s hypersonic DF-17 missile threatens regional stability, analyst warns

A hypersonic glide vehicle undergoes testing in a wind tunnel in a special feature on Chinese state television. Photo: Handout

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A video released by China’s military appeared to show the launch of a new type of supersonic cruise missile. Photo: PLA Rocket Force

A military vehicle carrying DF-41 intercontinental ballistic missile (ICBM) travels along a road as streets in central Beijing were closed off for a rehearsal of the military parade on October 1 to mark the 70th anniversary of the founding of the People's Republic of China, in Beijing, China September 14, 2019. Picture taken September 14, 2019 through a window. REUTERS/Stringer CHINA OUT.

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China’s latest display of military might suggests its ‘nuclear triad’ is complete

The parade featured mobile DF-41 ballistic missiles that can strike any target in the United States. Photo: Reuters

China's H-6 bomber jets fly in formation past the sun during a parade to commemorate the 70th anniversary of the founding of Communist China in Beijing, Tuesday, Oct. 1, 2019. China's Communist Party is celebrating its 70th anniversary in power with a parade showcasing its economic development and newest weapons. The event marks the anniversary of the Oct. 1, 1949, announcement of the founding of the People's Republic of China by then-leader Mao Zedong. (AP Photo/Andy Wong)

(191001) -- BEIJING, Oct. 1, 2019 (Xinhua) -- A formation of the JL-2 missiles takes part in a military parade during the celebrations marking the 70th anniversary of the founding of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019. (Xinhua/Wang Kai)

Chinese military vehicles carrying DF-17 ballistic missiles roll during a parade to commemorate the 70th anniversary of the founding of Communist China in Beijing, Tuesday, Oct. 1, 2019. Trucks carrying weapons including a nuclear-armed missile designed to evade U.S. defenses rumbled through Beijing as the Communist Party celebrated its 70th anniversary in power with a parade Tuesday that showcased China's ambition as a rising global force. (AP Photo/Mark Schiefelbein)

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An American general warned last year that the US does not have an effective defence against such weapons
But with the PLA Rocket Force set to deploy the missile for the first time next year, Ankit Panda looks to dispel the hype



An American general warned last year that the US does not have an effective defence against such hypersonic weapons, but Ankit Panda is keen to dispel the hype.


Hypersonic missiles and weapons

Expresses the views, ideas and conclusions of the author. (Eg. Enough of Crazy Rich Asians, think of crazy poor Hongkongers.)


Column

Opinion | Is China’s DF-17 hypersonic missile a serious threat to the United States?

An American general warned last year that the US does not have an effective defence against such weapons But with the PLA Rocket Force set to deploy the missile for the first time next year, Ankit Panda looks to dispel the hype

An American general warned last year that the US does not have an effective defence against such weapons

But with the PLA Rocket Force set to deploy the missile for the first time next year, Ankit Panda looks to dispel the hype