055 Large Destroyer Thread II

sr338

New Member
Registered Member
I'm sorry but this is just plain wrong.
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I wish to not resurface so early but really people here have to tone down the anti-america rhetorics.

As non-maneuvering RVs are essentially different only in their reentry phase ( boost scales to speed and altitude, which determines both ToT, reentry speed and trajectory), unless DF-26 has mini-decoys stuffed into the payload bus, I'd place it alongside the likes of the other MRBM/IRBM-class targets the USN has tested, and against which the USN has demonstrated the the current IA is adequate enough. Further for consideration is the growth potential: the current SM-6 use is really dated from a pure search/track capability viewpoint, as it reuses the AMRAAM-C mechanical planar array.
The new IB would replace DTRM with SM-3 IIA 21in motor which would give it at least a range of 1000miles with a ballistic ground attack trajectory so as to conform to MRC, and would be able to intercept hypersonics of some kind
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I'd lowball said capability to something like HERA but that is still a conical MaRV albeit rather ancient.
But that's pure propulsion, an updated to something resembling an actual AESA seeker, D7 ECCM and brief targeting from an E-2D would be a fairly serious threat to J-35 attack ships, H-6K and DF-26s while GPIs and SM-3s are reserved for PLARF HGVs.

I'd support expanding UVLS capability solely for using HGV-tipped missiles really. Hypersonic is one domain where the PLA can offer significant, if not colossal, quantitive overmatch ( SM-6 current production rate is like "dozen-a year").
Done of those ballistic missile can hit a moving target.
 

ougoah

Brigadier
Registered Member
Some bad comparisons as mentioned by others.

None of the listed American target ballistic missiles are directly comparable to DF-21 ASBM variants, let alone DF-26. DF-17 is a boost glide HGV... completely incomparable to MaRV DF-21 and DF-26.

Intercepting standard MRBM and IRBM even ICBM are things US, China, Russia (USSR actually) could do and very much likely have done many decades ago. After all, programs for ICBM interception in these countries have existed since the 1960s for the US and USSR and since the 1970s in China. As we know now, agreements between USSR and the USA on ABM were worth nothing.

The thing is, intercepting MaRV is nothing like intercepting pure ballistics. Sure SM-6 most likely can handle MaRV with ease. If I were a Chinese planner, I'd automatically assume SM-6 in ideal situations not only has 100% performance against MaRV weapons in my arsenal but has decent capability against HGVs already. (Hence China's already got next generation DF-27 HGV in service as an anti-ship glider weapon according to leaked US intel that made the rounds).

The conflict between ship IAD and anti-shipping is really in how the attrition balance works between China's ability to saturate fleet defences while defending all its offensive assets and maintaining its long range kill chains for as long as it is required to deplete US fleet defences. Throw EW into the mix, all along multiple dimensions on both sides.

While HGVs and MaRV anti-shipping may not be silver bullets scoring 1:1 or even slightly less favourable hits, they do have an amazing ability to erode and challenge fleet defences... not to mention deplete interceptors at a 2:1 exchange.

All the pacific war scenarios are a matter of multi-layered attrition, right down to energy calculus.

In any case, the US as far as it is known, has not got a single HGV in service or HGV target platform to practice against**. MaRVs? sure, I'll assume that is a given. US counter to Chinese A2AD ASBMs and HGVs no doubt emphasise kill chain erosion over interception. Intercepting HGVs in the conventional way is very difficult even if you know the exact target. The best mathematical "method" for interception physics can easily be tweaked to engage HGVs and I would doubt China and US have not long already done this for HGV interceptors. Hence US military and thinktank open discussions on defence against HGV circle around focusing on kill chains and novel methods such as proximity based material clouds to damage HGVs and/or disrupt communications between HGV and guidance networks.

China has been testing HGV interceptors ever since fielding first generation HGV weapons. Assuming HGVs perform some wide approach arc AND is also capable of performing many slightly smaller radius turns before terminal phase, all an interceptor needs to do if it knows the target (which in this scenario, it would) is program the missile to engage the HGV within its terminal phase only or ignore HGVs turns and avoid draining its energy on "chasing" constantly varying interception points (a problem that more or less doesn't exist against ballistic only). China though, has many tricks up its sleave as the physics of all this is rather accessible even to the most basic engineer. Relying on HGV for anti-shipping would not serve as the ultimate and only "high tech branch" modality in its A2AD inventory.

We know all PLAN, PLAAF, PLARF platforms, weapons and networks exist and function as a brute force, integrated attack structure. In combination, they are far greater than the entire sum of individual parts, which by themselves already present untested and unknown threats against USN fleet defences. In combination, the risks are absolutely intolerable to the US without groundbreaking changes in weapons technologies.

The US even with its civilian leadership arrogance (contrasted with military leadership weariness) is concerned that not only is this the case, China's MIC especially in the domain of A2AD, is evolving and improving at a faster rate than US ability to guarantee military primacy in western Pacific. DF-17 is but the tip of the iceburg serving as China's high tier A2AD... DF-27 HGV perhaps on the waterline of "mysteriousness" if western intelligence has a thorough understanding on DF-27 military exercise shooting and related observations, all being considered a low level security leak.

Truly what China doesn't talk about and what is shielded from US intel gathering would be China's own methods of eroding the range and extent of US kill chains and of course eletromagnetic and cyber domain warfare. Pushing through those intangible fields = even your YJ-8s scoring hits.

**HTV2 was a pure study based vehicle and not as impressive as America stronkists say online. I mean ffs China was test flying HGVs back in the 2000s as well. Never made such a big deal about it with visuals and photos for public consumption like US non-black projects always do even during their study and test phases. Practically speaking HTV2 is NOT a target HGV for interceptor practice. Perhaps a variant can be or has been developed for target practice purposes but given the cost of each one as demanded by defence contractors, the US military would maybe only have purchased a few for modelling. The issue is HTV2 could have very different flight characteristics and turn/evasion programming to develop decent enough models to optimise SM-3,6,x against Chinese HGVs.


All a long way to say in summary the US does not have decent and tested direct interception means against even Chinese MaRV ASBM in networked, saturation attacks against fleet defences. Chinese A2AD would have to let USN fleeting within first island chain to maximise the use of all available anti-shipping forces many of which are coast based. This range is still far away from the max combat radius of F-35s and F-18s. The US sending B-2s and B-21s escorted by F-22s alone on missions to erode China's coastal arsenal is a suicidal gamble. Ergo, the US would have to deal with the entire Chinese arsenal performing saturation attacks that when timed in waves, are many times greater than fleet defence interceptors (not counting CIWS), assuming US can knock out many Chinese platforms like H-6 and various fighters while eroding Chinese kill chains, that's still more missiles headed for carriers and warships than USN can reliably guarantee against.
 
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Wrought

Junior Member
Registered Member
Some bad comparisons as mentioned by others.

None of the listed American target ballistic missiles are directly comparable to DF-21 ASBM variants, let alone DF-26. DF-17 is a boost glide HGV... completely incomparable to MaRV DF-21 and DF-26.

Intercepting standard MRBM and IRBM even ICBM are things US, China, Russia (USSR actually) could do and very much likely have done many decades ago. After all, programs for ICBM interception in these countries have existed since the 1960s for the US and USSR and since the 1970s in China. As we know now, agreements between USSR and the USA on ABM were worth nothing.

The thing is, intercepting MaRV is nothing like intercepting pure ballistics. Sure SM-6 most likely can handle MaRV with ease. If I were a Chinese planner, I'd automatically assume SM-6 in ideal situations not only has 100% performance against MaRV weapons in my arsenal but has decent capability against HGVs already. (Hence China's already got next generation DF-27 HGV in service as an anti-ship glider weapon according to leaked US intel that made the rounds).

The conflict between ship IAD and anti-shipping is really in how the attrition balance works between China's ability to saturate fleet defences while defending all its offensive assets and maintaining its long range kill chains for as long as it is required to deplete US fleet defences. Throw EW into the mix, all along multiple dimensions on both sides.

While HGVs and MaRV anti-shipping may not be silver bullets scoring 1:1 or even slightly less favourable hits, they do have an amazing ability to erode and challenge fleet defences... not to mention deplete interceptors at a 2:1 exchange.

All the pacific war scenarios are a matter of multi-layered attrition, right down to energy calculus.

In any case, the US as far as it is known, has not got a single HGV in service or HGV target platform to practice against**. MaRVs? sure, I'll assume that is a given. US counter to Chinese A2AD ASBMs and HGVs no doubt emphasise kill chain erosion over interception. Intercepting HGVs in the conventional way is very difficult even if you know the exact target. The best mathematical "method" for interception physics can easily be tweaked to engage HGVs and I would doubt China and US have not long already done this for HGV interceptors. Hence US military and thinktank open discussions on defence against HGV circle around focusing on kill chains and novel methods such as proximity based material clouds to damage HGVs and/or disrupt communications between HGV and guidance networks.

China has been testing HGV interceptors ever since fielding first generation HGV weapons. Assuming HGVs perform some wide approach arc AND is also capable of performing many slightly smaller radius turns before terminal phase, all an interceptor needs to do if it knows the target (which in this scenario, it would) is program the missile to engage the HGV within its terminal phase only or ignore HGVs turns and avoid draining its energy on "chasing" constantly varying interception points (a problem that more or less doesn't exist against ballistic only). China though, has many tricks up its sleave as the physics of all this is rather accessible even to the most basic engineer. Relying on HGV for anti-shipping would not serve as the ultimate and only "high tech branch" modality in its A2AD inventory.

We know all PLAN, PLAAF, PLARF platforms, weapons and networks exist and function as a brute force, integrated attack structure. In combination, they are far greater than the entire sum of individual parts, which by themselves already present untested and unknown threats against USN fleet defences. In combination, the risks are absolutely intolerable to the US without groundbreaking changes in weapons technologies.

The US even with its civilian leadership arrogance (contrasted with military leadership weariness) is concerned that not only is this the case, China's MIC especially in the domain of A2AD, is evolving and improving at a faster rate than US ability to guarantee military primacy in western Pacific. DF-17 is but the tip of the iceburg serving as China's high tier A2AD... DF-27 HGV perhaps on the waterline of "mysteriousness" if western intelligence has a thorough understanding on DF-27 military exercise shooting and related observations, all being considered a low level security leak.

Truly what China doesn't talk about and what is shielded from US intel gathering would be China's own methods of eroding the range and extent of US kill chains and of course eletromagnetic and cyber domain warfare. Pushing through those intangible fields = even your YJ-8s scoring hits.

**HTV2 was a pure study based vehicle and not as impressive as America stronkists say online. I mean ffs China was test flying HGVs back in the 2000s as well. Never made such a big deal about it with visuals and photos for public consumption like US non-black projects always do even during their study and test phases. Practically speaking HTV2 is NOT a target HGV for interceptor practice. Perhaps a variant can be or has been developed for target practice purposes but given the cost of each one as demanded by defence contractors, the US military would maybe only have purchased a few for modelling. The issue is HTV2 could have very different flight characteristics and turn/evasion programming to develop decent enough models to optimise SM-3,6,x against Chinese HGVs.


All a long way to say in summary the US does not have decent and tested direct interception means against even Chinese MaRV ASBM in networked, saturation attacks against fleet defences. Chinese A2AD would have to let USN fleeting within first island chain to maximise the use of all available anti-shipping forces many of which are coast based. This range is still far away from the max combat radius of F-35s and F-18s. The US sending B-2s and B-21s escorted by F-22s alone on missions to erode China's coastal arsenal is a suicidal gamble. Ergo, the US would have to deal with the entire Chinese arsenal performing saturation attacks that when timed in waves, are many times greater than fleet defence interceptors (not counting CIWS), assuming US can knock out many Chinese platforms like H-6 and various fighters while eroding Chinese kill chains, that's still more missiles headed for carriers and warships than USN can reliably guarantee against.

That is a lot of words to say it ultimately comes down to how two different operational systems interact and all the unknown variables therein. You aren't wrong per se, but at the end of the day much if not all of the systems-level networks and datalinks and resilience and coordination and so on are and will remain opaque. Looking at the capabilities of individual platforms in isolation only gives limited insight as to the whole picture. The real answer can only be revealed by real conflict.
 

ougoah

Brigadier
Registered Member
That is a lot of words to say it ultimately comes down to how two different operational systems interact and all the unknown variables therein. You aren't wrong per se, but at the end of the day much if not all of the systems-level networks and datalinks and resilience and coordination and so on are and will remain opaque. Looking at the capabilities of individual platforms in isolation only gives limited insight as to the whole picture. The real answer will only be revealed by real conflict.

Absolutely.

It was just the suggestion previously that US has practiced against threats like DF-21, DF-26, DF-17, and DF-27 that was inaccurate and needed to be spelled out as to how having target ballistic missiles and practice against those targets doesn't equate to completely countering Chinese A2AD threats or even having some decent ability at intercepting them.

It would be similar to saying because China has had Program 640 since the 1960s and subsequently practiced shooting down various ballistic missiles (and in recent years, practicing against their own hypersonic gliders) that US efforts in developing LRHW and ARRW are completely pointless.

In summary, none of these target practice ballistic missiles in US arsenal are anywhere near as capable as DF-21 and DF-26. They are not MaRV ASBM with mysterious and modern penaids and the same kinematic maneuvering or simulating the same. The US can imagine what China has and practice but such practice would be less than an accurate representation whether it under or over estimates Chinese penaids. Obviously none of the below are remotely comparable to HGVs like DF-17 and DF-27. So Biscuits is correct in his response to Juan B in pointing out the obvious and also should add that mid course intercepting these things as Juan B suggested isn't the case since China would launch such MRBM to IRBM ranged weapons (adding glide range to DF-17 making it at least MRBM ranged weapon) from central China or even western China depending where within first island chain the engagement is. No point placing these at the coast in greater exposure and also extending the range outside of the rest of China's arsenal. So basically US would never have a chance to mid course intercept since they'd all be back well inside atmosphere before even passing China's coastline. US would be relying on shorter range interceptors and CIWS if they want to rely on traditional interception methods.

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by78

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