China's Space Program Thread II

taxiya

Brigadier
Registered Member
Even without the problematic second stage recovery using Starship, starship heavy is quite efficient and powerful enough to put at least hundred tonne class payload to LEO. With this capacity, how much harder would it be to park offensive weapons on every LEO orbit, and knock out the valuable but few in numbers of orbital assets. For example, large aperture spy sats, SAR sats, Beidou sats, Spaces stations, and even deny the access to space? If you dont have equivalent capacity, you would be denied the access. Long term planning means nothing, when the rival is trying to knock you out before you gain your long term capacity. you need to have equivalent system in the very near term.
You are just dreaming (脑补/headcanoning). Apparently you have zero knowledge of orbital mechanics. To do what you suggested, knocking out a valuable space asset like SAR sat or spy sat, a small sat of hundreds kg would be enough. It only need to be placed in the same orbit of the target by a small rocket like CZ-11, drifting to the target and crash into it. Using a starship to do the job is like using aircraft carrier to sink a fishing boat.

Did you get the idea of space based weapon from hollywood movie like "starwars"? Where something can fly from point A to point B with ease and makes sharp turn instantly. In reality anything like starship itself and whatever it releases starts from the same and only one orbit. To hit anything on another orbit, that whatever need HUGE DVs which starship can not provide once in orbit.
 
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madhusudan.tim

New Member
Registered Member
You are just dreaming (脑补/headcanoning). Apparently you have zero knowledge of orital mechanics. To do what you suggested, knocking out a valuable space asset like SAR sat or spy sat, a small sat of hundreds kg would be enough. It only need to be placed in the same orbit of the target by a small rocket like CZ-11, drifting to the target and crash into it. Using a starship to do the job is like using aircraft carrier to sink a fishing boat.

Did you get the idea of space based weapon from hollywood movie like "starwars"? Where something can fly from point A to point B with ease and makes sharp turn instantly. In reality anything like starship itself and whatever it releases starts from the same and only one orbit. To hit anything on another orbit, that whatever need HUGE DVs which starship can not provide once in orbit.
Why do you think it is unfeasible to park hundreds to thousands of systems in multiple planes and orbits? You are assuming that all actors will abide by the non-weaponization of space. However, when actors do not abide by preset rules, they will only do so when it is futile—specifically, if other actors can do the same, making the violation useless.

Therefore, if China cannot solve the issue of launching large payloads in a regular, inexpensive way—meaning hundreds of thousands of kilograms of mass into orbit easily—there is no deterrence. Why do you think Starlink is there in the first place? Everyone, including Musk, knows that global internet from space is always an expensive proposition, even for people in remote locations. You could simply build sub-gigahertz-based 5G (600–900 MHz band) and cover the continental mass. But that was not the point. The point was to market it as a commercial product with a mass-market position so that it attracts investment based on expectations of good returns, only for it to function as a strategic product with high strategic objectives. It is essentially the American government building a costly infrastructure project without having to pay for it directly.

The implications? You see them. It is a far less expensive way to conduct warfare in faraway lands through intrusive communications. You could simply airdrop communication modules with solar power and local transceivers and do whatever you want without other actors being able to do anything about it. When a large number of airlines switch to Starlink, it becomes embedded; it is harder to convince them to rip it out and use alternatives. There is a good chance global aviation, shipping, and even mobile handsets will run on a network that you do not control and that can be turned adversarial.

But it did not have to turn out this way. It was never about China being technologically backward. Never. Starlink satellites are made with simple silicon-based solar cells and simple electronics, even if their inter-satellite links are cutting edge. I don't believe China lacks the core technology to build a Falcon 9 equivalent; rather, it was investing large sums of money aimlessly into multiple projects. Recent events make this evident. Space Pioneer’s rise was awe-inspiring, but one mistake later, they still cannot launch what is now an obsolete rocket. Everyone is now building 5-meter class rockets and 150–200 tonne class engines, yet they are still on hold trying to launch yesterday’s technology. Do not tell me these issues are solely the result of company incapability. A large part of the issue stems from the command and control ingrained by the central government—very similar to how it fears even a bull market run. Let the masses know how to deal with it. Similarly, let private enterprises get funds, and allow for failures—multiple failures. And please, get the "boomers" out of the administration. They are trying yesterday's solutions for present-day issues, assuming the rules of the past still work.

The conclusion is: China needs multiple, highly capable launch vehicles that are unaffected by central points of failure. Proactive development and innovation is needed; merely imitating what others have already developed is not going to cut it.
 

taxiya

Brigadier
Registered Member
Why do you think it is unfeasible to park hundreds to thousands of systems in multiple planes and orbits?
Because of physics. The effects can be achieved with fraction of cost of what you imagined.

You are assuming that all actors will abide by the non-weaponization of space. However, when actors do not abide by preset rules, they will only do so when it is futile—specifically, if other actors can do the same, making the violation useless.
Where did I assumed any actors of anything?

The rest of your post is just gibberish when they are based on wrong footing and I won't waste any more words on you.
 

Tomboy

Captain
Registered Member
If this is to be believed:
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(p.33)



It looks like the
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are on a good track to approval (after a couple unsuccesful iterations these past years), they will study the nose and tail of our solar system's stellar wind bubble.
It would likely require the launch of the
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in the next few years.
Then in 2032-2033: Launch of the two operational probes toward Jupiter, then flyby of Neptune and Saturn/Uranus (around 2038/2035/2042), then they'll reach the Frontal Heliopause at 70 AU in 2053 and 130 AU in the Tail direction in 2059
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In addition, that they also mentioned a planned Venus mission and solar exploration coming soon™.
 

nativechicken

Junior Member
Registered Member
Even without the problematic second stage recovery using Starship, starship heavy is quite efficient and powerful enough to put at least hundred tonne class payload to LEO. With this capacity, how much harder would it be to park offensive weapons on every LEO orbit, and knock out the valuable but few in numbers of orbital assets. For example, large aperture spy sats, SAR sats, Beidou sats, Spaces stations, and even deny the access to space? If you dont have equivalent capacity, you would be denied the access. Long term planning means nothing, when the rival is trying to knock you out before you gain your long term capacity. you need to have equivalent system in the very near term.
对于Starship to be useful, it must first complete modifications to its second stage. By converting it to a traditional launch vehicle second stage, its payload advantage can be truly demonstrated.
China, both officially and privately, has plenty of launch vehicle projects in the pipeline, including 7- and 10-meter-diameter rockets under development. It’s just a matter of post-2030. In reality, the gap is only a few years.

As for excluding China from space, that’s wishful thinking. China now actually possesses the capability to deny the United States access to space.
Similarly, China can prevent the United States from placing any large, critical military assets in space.
In a real space war, if both sides start generating massive orbital debris, do you think U.S. assets would somehow exclusively survive in the space environment?

For military applications, the larger the platform, the more visible the target and the easier it is to strike. It’s baffling how Americans can be so naive.
Look at the ongoing strikes by Iran against the U.S. and Israel. When will Americans realize that most of the time, things don’t unfold the way they assume?
Previously, Americans thought Russia performed poorly in Ukraine, hardly like a superpower.
Now observe the conflict between Iran and the U.S./Israel. The performance of the U.S. military has been far worse than Russia’s.

Russia has been fighting a ground war for years, taking on Ukraine + Europe + the United States. The U.S. and Europe have long been covertly involved.
Russia hasn’t even struck U.S./European bases around Ukraine.
Ukraine’s military has always been, within Europe (including the Soviet Union/Russia), the only truly combat-capable army aside from Russia’s.
Russia’s performance isn’t due to lack of capability, but to its own strategic restraint and failure to fully employ its real strength.
Russia’s military equipment was never on par with that of Europe and the U.S.

The U.S. and Israel’s campaign against Iran has been even more disastrous. Despite leading Iran by one or two generations in military technology, with overwhelming advantages in air power, naval power, intelligence, and underhanded tactics (relying on assassinations), they’ve only lasted 12 days before losing steam. Iran’s military strength is inferior to Ukraine’s and lacks strong external military support.
The fact that Iran, on its own, has pushed the U.S. to this point speaks volumes.

Putting that aside, if Russia can sustain a war like this for years, could the U.S. last even six months in a conflict with Iran?
At most, Russia seeks support from friendly nations but doesn’t force the issue if they’re unwilling. The U.S., in fighting Iran, is practically holding a gun to its allies’ heads to join the fight.

I mention these non-aerospace examples simply to illustrate the point: don’t overestimate U.S. capabilities. Every time the U.S. stirs up trouble, it can’t handle the consequences.
Moreover, don’t do stupid things that will eventually leave you in an untenable position (like the notion that you could wage unrestricted unilateral warfare in space and unilaterally eliminate the other side’s space assets—that’s as foolish as your president assassinating an Iranian religious leader. You have no idea of the consequences or the adversary’s actual capabilities).

Regarding long-term planning capabilities, I’m at a loss. Do you think the U.S. can launch a blitzkrieg in space or something? Let me tell you: for large, high-value satellite systems, China’s current annual production capacity of intercept-capable vehicles (DF-21/DN class and above, not small fry like SM-3) is sufficient to eliminate all valuable U.S. space assets. There’s no need to deploy something like Starshield.
China isn’t in a hurry with heavy-lift rockets because they have little value as weapon systems. Just look at the preparation process and timeline for a rocket launch—what military value does that have?
China’s current rapid-response launch system using solid-fuel rockets operates on a timescale of hours. It can be deployed anywhere, requires no pre-fueling, and launches immediately. That’s what’s designed for war.

As for wanting to deploy large numbers of Starshield systems—the U.S. is welcome to try. In China’s view, unless you’re truly preparing for war (and a war of annihilation at that), filling space with such specialized satellites is just burning money. Doing so is purely a sign of a nation with too much time on its hands, accelerating the decline of an empire.
If you have time, read more books on Chinese history. Look at the foolish things dynasties did in their late stages and compare them to what the U.S. is doing now.
 

nativechicken

Junior Member
Registered Member
Why do you think it is unfeasible to park hundreds to thousands of systems in multiple planes and orbits? You are assuming that all actors will abide by the non-weaponization of space. However, when actors do not abide by preset rules, they will only do so when it is futile—specifically, if other actors can do the same, making the violation useless.
Starlink, as a system that can generate revenue, has some rationale for deploying thousands to tens of thousands of units. However, for purely military satellites and missile defense interception systems, mass deployment is rather meaningless. Unless China assesses that, within the next 5–10 years, a nuclear war involving the exchange of hundreds of intercontinental missiles and the detonation of thousands of warheads between China and the United States is imminent, what purpose would deploying such a system serve? The lifespan of these systems is only 5–8 years. Without war, they would sit there depreciating, providing no economic value. Are you suggesting that, in the absence of conflict, the U.S. would be so restless as to attempt to destroy China’s satellites or space station? I’d say that’s overthinking it.

More importantly, even if deployed, would these systems truly be effective for missile defense? If their effectiveness is limited, why invest the effort in both interception and deployment?

Therefore, on matters like this, China merely needs to do nothing and watch its opponent collapse under its own weight.

Frankly, if the U.S. were to launch a large-scale destruction of China’s space assets, it would signal that the U.S. is on the brink of initiating a full-scale war, possibly even a nuclear war, against China.

Here’s a question: if the U.S. insists on deploying thousands of “Starshield” units, why not simply deploy thousands of nuclear warheads in orbit instead? If the adversary poses a wartime threat, launching a nuclear strike to annihilate the opponent would be more straightforward, wouldn’t it?

So, it’s important to understand that what you’re envisioning is a doomsday weapon—it’s only useful for doomsday. And even in doomsday scenarios, it might not be that useful (there are multiple ways to destroy an opponent). If the target does not attempt to intercept the attacking missiles but instead launches a devastating retaliatory strike (e.g., using hypersonic intercontinental weapons flying entirely within the atmosphere), your “Starshield” would essentially be worthless and ineffective.
Therefore, if China cannot solve the issue of launching large payloads in a regular, inexpensive way—meaning hundreds of thousands of kilograms of mass into orbit easily—there is no deterrence. Why do you think Starlink is there in the first place? Everyone, including Musk, knows that global internet from space is always an expensive proposition, even for people in remote locations. You could simply build sub-gigahertz-based 5G (600–900 MHz band) and cover the continental mass. But that was not the point. The point was to market it as a commercial product with a mass-market position so that it attracts investment based on expectations of good returns, only for it to function as a strategic product with high strategic objectives. It is essentially the American government building a costly infrastructure project without having to pay for it directly.
Are all Westerners like this? You invent a new technology, and your mind is immediately filled with thoughts of using that technology to wage war and eliminate your adversaries? Is that really the purpose behind your technological inventions?

You want to achieve hundreds of thousands of tons of payload to orbit annually, and all you can think about is using that hundreds of thousands of tons of payload for weapon deployment?

Do you know approximately how much a space-based KKV (Kinetic Kill Vehicle) weighs? The ones used on SM-3 are about 10-15 kg (from memory), and the EKV (Exoatmospheric Kill Vehicle) is probably 40-60 kg at most (and even that is considered too large, as it affects the number of kill vehicles carried). There's also the MKV (Multiple Kill Vehicle) concept, which involves launching a cluster of interceptor vehicles, each also in the 10-15 kg range. You can calculate how many of these interceptor vehicles one ton of space launch capacity can carry.

So, if you think about it clearly, you'll realize that even deploying 10,000 such satellites/interceptors would only have a total mass of around 2,000 tons (if a Starshield-type satellite weighs about 200 kg).

Therefore, even if China wanted to deploy a similar system in space, it wouldn't need to wait for the construction of a launch system capable of delivering hundreds of thousands of tons of payload to do so.

An annual launch capacity of 100-200 tons for this purpose would be more than sufficient. That's only about 15-20 launches per year of rockets equivalent to the Falcon 9.
The implications? You see them. It is a far less expensive way to conduct warfare in faraway lands through intrusive communications. You could simply airdrop communication modules with solar power and local transceivers and do whatever you want without other actors being able to do anything about it. When a large number of airlines switch to Starlink, it becomes embedded; it is harder to convince them to rip it out and use alternatives. There is a good chance global aviation, shipping, and even mobile handsets will run on a network that you do not control and that can be turned adversarial.
I'll stick to the same point: can you Westerners ever break free from this endless loop of war and aggression logic?
Starlink is civilian. Musk has used Starlink to generate revenue, fund his launch company, and reduce launch costs.

I really don’t understand what you’re trying to say. Do you think Starlink can be used as an infiltration tool during wartime, like it was during the conflicts in Ukraine and Iran?

If you believe this thing is useful (for overthrowing the Chinese government), then go ahead and pursue it yourself. I can’t be bothered to argue anymore. Once the Chinese people understand the United States’ actual threshold for decisive action, I really don’t see the point.
But it did not have to turn out this way. It was never about China being technologically backward. Never. Starlink satellites are made with simple silicon-based solar cells and simple electronics, even if their inter-satellite links are cutting edge. I don't believe China lacks the core technology to build a Falcon 9 equivalent; rather, it was investing large sums of money aimlessly into multiple projects. Recent events make this evident. Space Pioneer’s rise was awe-inspiring, but one mistake later, they still cannot launch what is now an obsolete rocket. Everyone is now building 5-meter class rockets and 150–200 tonne class engines, yet they are still on hold trying to launch yesterday’s technology. Do not tell me these issues are solely the result of company incapability. A large part of the issue stems from the command and control ingrained by the central government—very similar to how it fears even a bull market run. Let the masses know how to deal with it. Similarly, let private enterprises get funds, and allow for failures—multiple failures. And please, get the "boomers" out of the administration. They are trying yesterday's solutions for present-day issues, assuming the rules of the past still work.
This issue has been discussed many times before. If you don't understand the technology, don’t make unfounded claims. China’s progress is actually very fast (in the aerospace field)—you just aren’t aware of it. China’s space program has been catching up technologically, with plans to roughly complete this process around 2030–2035 (one of the key indicators being a heavy-lift launch vehicle). The U.S. space technology foundation was laid in the 1950s, and many critical technological achievements were developed and refined from the 1970s to the 1990s.
China only reached a level in certain aerospace areas around 2015 that the U.S. had achieved around 1995–2000 (many areas are still空白 to this day, such as heavy-lift launch vehicles).

Technology cannot be faked, which is why China has always developed at its own pace. The speed of China’s catch-up is roughly more than twice the pace of U.S. development—meaning China is accomplishing in 15–20 years what took the U.S. 40 years. Musk’s SpaceX has a history of about 25 years to reach where it is today. China started late, so progress may appear slower (the absolute存量 lags behind the U.S., but the增量 far exceeds that of the U.S.).

Therefore, what you’re saying is essentially meaningless.
The conclusion is: China needs multiple, highly capable launch vehicles that are unaffected by central points of failure. Proactive development and innovation is needed; merely imitating what others have already developed is not going to cut it.
Stop bragging here. Go ask the industry experts at NASA—how many people today have the nerve to claim that China’s space program lacks innovation and simply copies U.S. technology? Even Elon Musk, whose SpaceX you admire so much, wouldn’t dare say such a thing. He has interacted with more Chinese specialists than you have. Whether the Chinese have creativity—he knows better than you.
 

taxiya

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