Hearts of Iron IV

Hearts of Iron IV

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EnVenta Jun 24, 2021 @ 9:36pm
Naval Invasion Never Begins
Spent all this time and energy building an army only to watch them sit on their derrieres accumulating zero preparedness for a naval invasion order. Paradox went out of their way to make this particularly vital function unintuitive and esoteric?

Granted, HOI games can be complicated, but the tooltips usually provide a wealth of information about the hows, whys, and whats. Except with naval invasions... As Dilbert said many times, there is no path to success. The game is just broken in that there is no feedback about why the ♥♥♥♥♥♥♥ naval invasion order never begins. Quite frustrating that there isn't clear instruction on what is missing.
Last edited by EnVenta; Jun 25, 2021 @ 12:01am
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Showing 1-11 of 11 comments
rottie427 Jun 24, 2021 @ 10:14pm 
Make sure you have naval supremacy in the place you are naval invading. If you click the anchor in the bottom right you will see the area(s) you need to have naval supremacy in. Also just a tip, air superiority helps naval supremacy a ton, so make you you allocate some fighters to the area as well to help out.
EnVenta Jun 24, 2021 @ 11:59pm 
Thanks @rottie427. Does naval supremacy have to be established on the entire route -- say there are 4 nodes to traverse -- or just the landing site? Thought my navy and air forces were well in control of the entire area, but perhaps I needed to manually navigate a fleet to the landing sea node? Will give this a try.
rottie427 Jun 25, 2021 @ 12:06am 
Originally posted by tigris:
Thanks @rottie427. Does naval supremacy have to be established on the entire route -- say there are 4 nodes to traverse -- or just the landing site? Thought my navy and air forces were well in control of the entire area, but perhaps I needed to manually navigate a fleet to the landing sea node? Will give this a try.

You can hit Naval Invasion Support and click the sea zone that has the port with your units on it and the ships will escort the troops along the whole path so you dont have to manually assign the path. If you have battleships in the escort, you will get a shore bombardment bonus which will help you a little bit.

I recommend softening up any potential coastal forts before you launch the invasion with tactical bombers or strategic bombers to give you as much as an advantage as possible. You most likely already know this, but you have a massive penalty to your divisions effectiveness when you naval invade, especially if you aren't using marines.
You can also have already too many naval invasions planned. When one is completed, delete the order and assign the unit that are supposed to do the next one to their order if it's written 0 division.
I don't know how is the limit fixed. Doesn't seem to be the number of convoy. May a flat limit to prevent naval invasion abuses.
frag2k4 Jun 25, 2021 @ 7:25am 
Could be a number of issues causing this.

Too many naval invasions already set up already, there is a limit and as such if the arrow says 0 divisions then its not going to increase as there is no one to prepare for a landing.

There is in the naval ship research tree near the bottom a bunch of upgrades for naval landings that increase the speed you prepare and the number of landings you can perform at once, researching this if invading places like the UK and Japan or island hopping as the US is vital.

You need naval supremacy along the entire invasion, use ships and naval bombers to clear the area, you need 50% to get an invasion clear in each sector.

Not enough convoys, this can often be missed but you need a lot of these too.
EnVenta Jun 25, 2021 @ 8:25am 
Thanks for the tips. Had tried positioning a carrier task force right over the landing site to no avail. Created an army of only 3 marine divisions and tried that way, still nothing. It might be that the previous landing orders are interfering somehow. Will try deleting all orders and start over just to learn this seemingly obscure game mechanic.

That being said, I find it ridiculous that Paradox wouldn't provide more -- or any, for that matter -- feedback about naval invasion requirements.
frag2k4 Jun 25, 2021 @ 9:05am 
Originally posted by tigris:
Thanks for the tips. Had tried positioning a carrier task force right over the landing site to no avail. Created an army of only 3 marine divisions and tried that way, still nothing. It might be that the previous landing orders are interfering somehow. Will try deleting all orders and start over just to learn this seemingly obscure game mechanic.

Yes, you need to remove the previous landing orders if they are still active or wait for them to complete, upgrading naval invasion limits in the research tab too since it reduces how long you need to wait before a landing can happen.


Originally posted by tigris:
That being said, I find it ridiculous that Paradox wouldn't provide more -- or any, for that matter -- feedback about naval invasion requirements.


It does tell you, not only does hovering over some of the buttons tell you a lot but the arrows for the invasions tell you the number of units assigned to that order there is even a note on the bar saying if 0 units will be added even with several selected because your research in naval invasions is too low.

The activate arrow also gives info including naval supremacy figures, you then need to look for where its yellow/red and put more units there.
EnVenta Jun 27, 2021 @ 8:14am 
While this was frustrating, I've finally been able to launch a landing assault. Part of the confusion came from trying to execute 3 simultaneous landings -- which would have been tactically fabulous, but apparently the game doesn't let you do that -- which seemed to have 0 divisions assigned, etc.

Paradox should put naval invasions into the tutorial. While I finally figured out 'sort of' how to do it -- I'd still like to be able to land on 3 sites simultaneously -- it took a terrific amount of time and swearing. I've been playing Paradox engines since EU2... Ah, the nostalgia of the Fantasia scenario... But I digress. This was simply not intuitive. Anyone arriving here searching for similar answers beware: Here be dragons.
EnVenta Jun 27, 2021 @ 3:17pm 
No, I take it all back. It still doesn't make any sense. Trying to launch from west Africa into Spain but it tells me that there's only 1 division assigned despite 18 of the 24 being present in the launch province, wading around Casablanca.

Simply put: Paradox, you suck
frag2k4 Jun 27, 2021 @ 4:06pm 
Again it sounds like you have not done any of the research for invasions.

https://steamcommunity.com/sharedfiles/filedetails/?id=2530022569

Here where it says transports there are three research points in the tree, by the end of it you can land something like 160 divisions.

So by your comment you have either done these researches and have 159 set to land somewhere else or you haven't researched any of them and are at the 10 cap you start with.

This below is a pic I just did to show you a naval invasion of 48 divisions all 40 width against Britain.

https://steamcommunity.com/sharedfiles/filedetails/?id=2530022544
bubbas Jun 27, 2021 @ 7:53pm 
Originally posted by tigris:
No, I take it all back. It still doesn't make any sense. Trying to launch from west Africa into Spain but it tells me that there's only 1 division assigned despite 18 of the 24 being present in the launch province, wading around Casablanca.

Simply put: Paradox, you suck
How many invasion orders do you have currently and how many divisions are in those?

And what is your current transports technology level at?
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Date Posted: Jun 24, 2021 @ 9:36pm
Posts: 11