strategic value of having a fleet of tank/troop transport subs.

TerraN_EmpirE said:

That assumes optimum conditions. Once the fight is on You cannot assure such all it takes is one hunter killer to start messing with your numbers. and unloading places the boats in the open. A sub is stealthy on the move and under water. Once you surface your open.
. Additionally The math on that is based on Fighting vehicles Invasion needs more then just Fighting vehicles you need logistics and other assets assets that will have to be crammed in.
Finally the resources Project 740 was canceled as the Soviets who did a Cost benefit determined they needed the yards and materials for SSBN's and SSN's.

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Look, what I am saying is anti sub warfares are 10x harder than shooting ashM from island. It's alot easier for taiwan to shoot missile at LP71 amphibitious ship than doing sub hunting.

When that operation begin, you can bet large fleet of Chinese attack submarines swarm the strait to knock out taiwan surface fleet. And the HQ9 and S300/400 will knock out any airborne sub hunting P3C and helicopter.

There won't any Anti-submarine forces from taiwan operating once it begin. Even if the guy Iron man have a bunch SOSUS working but too bad the anti-sub forces can be wiped out easily.

I think even one night till morning will be enough time to get the job done.

Unless, Taiwan allies forces can come to aid within few hours.

tidalwave said:

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OMG seriously?

Greenland to Iceland: 177 miles
Iceland to Faroe Islands: 267 miles
Faroe Islands to UK: 201 miles

tidalwave said:

I think even one night till morning will be enough time to get the job done.

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And what's the "job", exactly? How many troops and how many "tanks" per trip in what kind of sub costing what to build numbering how many total? I'm not sure you have done any of this math as part of reasoning out this fantastical scenario.

Iron Man said:

OMG seriously?

Greenland to Iceland: 177 miles
Iceland to Faroe Islands: 267 miles
Faroe Islands to UK: 201 miles


And what's the "job", exactly? How many troops and how many "tanks" per trip in what kind of sub costing what to build numbering how many total? I'm not sure you have done any of this math as part of reasoning out this fantastical scenario.

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Haha,, you left out the most important one IUK Iceland to UK 1000+ mile.

Anyway, keep in mind , the AntiSub forces gonna be wiped out. What good is your SOSUS by itself?

100 tanks and 3000 troops per trip by the transporting sub fleet.

It won't cost much for each one. It doesn't need to run fast, has no special equipment, no need weapons. Only submarine version dumptruck. Big and Slow is OK.

tidalwave said:

Haha,, you left out the most important one IUK Iceland to UK 1000+ mile.

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I'm not sure why you're laughing, TBH. Did you just decide to ignore the Faroe Islands like they somehow didn't exist? These islands belong to Norway, a founding member of NATO and an easy chokepoint for SOSUS to run arrays out of. Even without the Faroe Islands I don't know where you got "1000+ mile" from. I measure 512 miles shore to shore using Google Earth. Perhaps you are thinking of the Iceland to Luxembourg gap.

tidalwave said:

Anyway, keep in mind , the AntiSub forces gonna be wiped out. What good is your SOSUS by itself?

100 tanks and 3000 troops per trip by the transporting sub fleet.

It won't cost much for each one. It doesn't need to run fast, has no special equipment, no need weapons. Only submarine version dumptruck. Big and Slow is OK.

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"100 tanks and 3000 troops per trip"??? LOL

I'm afraid to ask how many subs that would be, but I suspect you have no clue yourself. I think I've had enough of this surreal experience, so I'll bow out of this fantasy now.

tidalwave said:

Without support?

The strait is only 100 miles, the SAM HQ9, S400 gonna knock out any adversary airfighters,

WS beidou guided long range rockets can suppress enemies fire power.

By that time,maybe there are already stealth bombers in action.

A fleet of tansport subs can field 100 tanks. Not a few .

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In that case, why send in the infantry first? Why not just use those assets to knock out enemy defenses and send in troops the old fashioned way?

The point is, what benefit does such an expensive undertaking provide over the traditional method?

How do the subs unload? Would they embark LCACs and helicopters?

And the cost?

And if the submarines are conventional, then how fast will they travel? AIP is probably 6 knots maximum, but if they run on diesels at 20 knots they make a lot of noise plus have to be at snorkelling depth and show a snorkel which means it can be detected by radar anyway like a surface ship.

That to me is the main argument against.

These submarines, however few, would be hugely expensive and that for a war whose likelihood lies far in the past.

solarz said:

In that case, why send in the infantry first? Why not just use those assets to knock out enemy defenses and send in troops the old fashioned way?

The point is, what benefit does such an expensive undertaking provide over the traditional method?

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No way to knock out all enemy defense and still super easy for adversary to launch antiship missile to knock out conventional transport ships.

Not that much more expensive than conventional ships.

tidalwave said:

No way to knock out all enemy defense and still super easy for adversary to launch antiship missile to knock out conventional transport ships.

Not that much more expensive than conventional ships.

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So can you or can you not knock out enemy defenses without infantry? If you can, why send in the infantry first? If you can't, how much value would a small infantry force have against an intact enemey defense network?

A submarine transport would be a lot more expensive than a surface transport. Magnitudes more.

tidalwave said:

100 tanks and 3000 troops per trip by the transporting sub fleet.

It won't cost much for each one. It doesn't need to run fast, has no special equipment, no need weapons. Only submarine version dumptruck. Big and Slow is OK.

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Ever considered how much buoyancy you'll need to lift 100 MBT that weighs over 50 tonnes a unit?
The sub will end up being bigger than a super tanker.