RE: Non BBs don't seem to be bombarding. (Full Version)

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alanschu -> RE: Non BBs don't seem to be bombarding. (2/10/2020 9:53:54 PM)

Definitely. It seems to have worked well for me at Akyab for sure.

--------------------------------------------------------------------------------
Night Naval bombardment of Akyab at 54,45

Japanese aircraft
no flights

Japanese aircraft losses
Ki-48-IIa Lily: 79 damaged
Ki-48-IIa Lily: 3 destroyed on ground
Ki-43-IIa Oscar: 24 damaged
Ki-43-IIa Oscar: 2 destroyed on ground
Ki-43-Ia Oscar: 12 damaged
Ki-43-Ia Oscar: 3 destroyed on ground
Ki-46-II Dinah: 3 damaged

Allied Ships
BB Resolution
BB Ramillies
BB Revenge
BB Valiant
BB Warspite
CA Exeter
CA Dorsetshire
CL Capetown
CL Caradoc
CL Newcastle
CL Dauntless
CL Durban
CL Danae
CL Enterprise
DD Norman
DD Jupiter
DD Isis
DD Griffin
DD Fortune
DD Tenedos
DD Scout
DD Van Galen
DD Isaac Sweers

Japanese ground losses:
315 casualties reported
Squads: 0 destroyed, 0 disabled
Non Combat: 10 destroyed, 39 disabled
Engineers: 1 destroyed, 4 disabled
Guns lost 31 (10 destroyed, 21 disabled)
Vehicles lost 12 (3 destroyed, 9 disabled)

Manpower hits 5
Fires 9037
Airbase hits 27
Airbase supply hits 6
Runway hits 16
Port hits 11
Port fuel hits 2
Port supply hits 2

BB Resolution firing at Akyab
BB Ramillies firing at 5th Division
BB Revenge firing at Akyab
BB Valiant firing at Akyab
BB Warspite firing at 5th Division
CA Exeter firing at Akyab
CA Dorsetshire firing at 5th Division
CL Capetown firing at Akyab
CL Caradoc firing at Akyab
CL Newcastle firing at 5th Division
CL Dauntless firing at 5th Division
CL Durban firing at Akyab
CL Danae firing at Akyab
CL Enterprise firing at Akyab
DD Norman firing at Akyab
DD Jupiter firing at 8th Medium Field Artillery Regiment
DD Isis firing at 5th Division
DD Griffin firing at 5th Division
DD Fortune firing at 5th Division
DD Tenedos firing at 5th Division
DD Scout firing at Akyab
DD Van Galen firing at Akyab
DD Isaac Sweers firing at 5th Division


Two obvious differences include Akyab being held by Japan, and also that this force is much more overwhelming than the mostly cruiser heavy fleet at Port Moresby.




alanschu -> RE: Non BBs don't seem to be bombarding. (2/10/2020 9:57:07 PM)

Interesting is that both didn't really score hits on combat squads. I might be a bit biased to seeing base control as a difference, but it would seem like a reasonable piece of evidence supporting that since I would expect some degree of support units, guns, and whatnot being abstracted as "protecting the base."




Ian R -> RE: Non BBs don't seem to be bombarding. (2/11/2020 12:22:32 AM)

Do you know from previous ground combat if there are any CD guns at Akyab?







BBfanboy -> RE: Non BBs don't seem to be bombarding. (2/11/2020 2:56:26 AM)


quote:

ORIGINAL: alanschu

Interesting is that both didn't really score hits on combat squads. I might be a bit biased to seeing base control as a difference, but it would seem like a reasonable piece of evidence supporting that since I would expect some degree of support units, guns, and whatnot being abstracted as "protecting the base."

It is quite normal for combat squads to rarely be hit while there are many casualties among the support squads. Combat squads would normally be deployed around the perimeter of a base and dug in for combat. Support squads are within the base in cleared areas and have to move around to do their jobs. So I think the game is programmed to abstract that into greater durability for the combat squads, or something that reduces their losses.
I have bombarded several locations to extinction and when the support/engineer squads are starting to be destroyed in significant numbers I see the first disrupted combat squads. When support/eng. squads are nearly eliminated, many combat squads have been disrupted and the numbers of destroyed combat squads goes up. Large artillery guns are also hard to destroy by bombardment or bombing.




alanschu -> RE: Non BBs don't seem to be bombarding. (2/11/2020 3:35:30 AM)

quote:

Do you know from previous ground combat if there are any CD guns at Akyab?


They took it unoccupied and I couldn't confirm if there are any CD guns. I did the attack at distance 14, so I'm inclined to think at this point they probably don't have anything. At least nothing worth worrying about!


quote:

ORIGINAL: BBfanboy

It is quite normal for combat squads to rarely be hit while there are many casualties among the support squads. Combat squads would normally be deployed around the perimeter of a base and dug in for combat. Support squads are within the base in cleared areas and have to move around to do their jobs. So I think the game is programmed to abstract that into greater durability for the combat squads, or something that reduces their losses.
I have bombarded several locations to extinction and when the support/engineer squads are starting to be destroyed in significant numbers I see the first disrupted combat squads. When support/eng. squads are nearly eliminated, many combat squads have been disrupted and the numbers of destroyed combat squads goes up. Large artillery guns are also hard to destroy by bombardment or bombing.


Yeah that's exactly what I was thinking as it'd make more sense for the support squads to be centralized. I did it mostly because I needed to hit air operations in the area and it should help.

In the context of the thread's comparisons between Akyab and Port Moresby, given that they don't hold the base at PM, I think it might make it more difficult to hit support squads as there is now "BB attacks PM" targets (for obvious reasons). Do wish I had some intel on how much the supply hits were, but the group at PM is getting a supply(-) modifier.

It's been an interesting experiment and thanks everyone for the discussion - always nice to feel I understand the game a bit better!

One thing I notice is that the raw assault value (even just during land bombard attacks) seems to be trending slowly downwards. Just below 1400 when it was 1420s or so. I'm not sure how impacted by the fog of war that specific number is, given it seems to be slowly trending as I'd expect with the odd disablement of combat squads with air/land/sea bombardments and lack of supply. It's consistently in the same area, but I probably have consistent DL on the hex at this point too.




alanschu -> RE: Non BBs don't seem to be bombarding. (2/11/2020 4:42:49 AM)

So watching the combat animation, there's definitely a *lot* of action for the Cruiser only bombardment fleet. Whole fleet bombarded with weapons of all kinds. Some even doing both 8" and 5" guns (and their metric equivalents for the Dutch fleet). Attack was at 12,000-13,000 yards.

Results for that one did not show any explicit casualties, so I figure that the jungle impacts one of accuracy and/or fog of war reporting (I am still confident that the bombardment did some good in terms of morale/disruption).

Their attack was at night, while the BB attack was at the day, which probably also positively impacted results for the BB task force. Totally brain farted and forgot to set a spotter, which I might save my current game and do some extra experiments with some spotting planes.

That said, I did notice that the cruisers had full ammo. So I think BBFanboy was correct that the ships actually quickly reloaded before leaving the hex. Anecdotally, it did feel like the air attacks were more effective that day too.

All in all though, I'm sure I ruined the evening/day of several Japanese troops :D


--------------------------------------------------------------------------------
Night Naval bombardment of Port Moresby at 98,130

Allied Ships
CA Minneapolis
CA Chicago
CL Honolulu
CL Hobart
CL Tromp
CL Sumatra
CL Java
CLAA Van Heemskerck
DD Nizam
DD Voyager
DD Stuart
DD Aylwin
DD Dale
DD Selfridge
DD Maury
DD McCall
DD O'Brien
DD Russell
DD Hammann
DD Hughes
DD Sims
DE Whipple

CA Minneapolis firing at 4th Brigade
CA Chicago firing at 11th Division
CL Honolulu firing at 31st Infantry Brigade
CL Hobart firing at 66th Infantry Group
CL Tromp firing at 4th Brigade
CL Sumatra firing at 31st Infantry Brigade
CL Java firing at 31st Infantry Brigade
CLAA Van Heemskerck firing at 31st Infantry Brigade
DD Nizam firing at 11th Division
DD Voyager firing at 5th Infantry Brigade
DD Stuart firing at 5th Infantry Brigade
DD Aylwin firing at 5th Infantry Brigade
DD Dale firing at 11th Division
DD Selfridge firing at 66th Infantry Group
DD Maury firing at 44th Infantry Division
DD McCall firing at 4th Brigade
DD O'Brien firing at 31st Infantry Brigade
DD Russell firing at 31st Infantry Brigade
DD Hammann firing at 31st Infantry Brigade
DD Hughes firing at 4th Brigade
DD Sims firing at 31st Infantry Brigade
DE Whipple firing at 4th Brigade


--------------------------------------------------------------------------------
Naval bombardment of Port Moresby at 98,130

Allied Ships
BB New Mexico
CA Astoria
CA New Orleans
CA Northampton
CA Portland
CL Phoenix
CL St. Louis
CL Marblehead
CL Perth
DD Porter
DD Ellet
DD Benham
DD Gridley
DD Craven
DD Patterson
DD Mugford

Japanese ground losses:
59 casualties reported
Squads: 1 destroyed, 1 disabled
Non Combat: 0 destroyed, 2 disabled
Engineers: 0 destroyed, 0 disabled

BB New Mexico firing at 5th Infantry Brigade
CA Astoria firing at 44th Infantry Division
CA New Orleans firing at 5th Infantry Brigade
CA Northampton firing at 11th Division
CA Portland firing at 11th Division
CL Phoenix firing at 44th Infantry Division
CL St. Louis firing at 44th Infantry Division
CL Marblehead firing at 66th Infantry Group
CL Perth firing at 44th Infantry Division
DD Porter firing at 5th Infantry Brigade
DD Ellet firing at 66th Infantry Group
DD Benham firing at 44th Infantry Division
DD Gridley firing at 5th Infantry Brigade
DD Craven firing at 44th Infantry Division
DD Patterson firing at 44th Infantry Division
DD Mugford firing at 4th Brigade






alanschu -> RE: Non BBs don't seem to be bombarding. (2/11/2020 4:51:45 AM)

Adding recon flights didn't add any explicit casualties to the night attack (spotter plane confirmed in report), though I did get a bit more casualties in the daylight bombardment.

That said, changing orders does seem to change the seed for the combat resolution for the turn (as a programmer I find this creative in that it impacts some of the worst case save scumming, while still allowing for a deterministic turn that would otherwise be very handy in reproducing combat scenarios for analysis and/or testing!) so I couldn't explicitly say that the increase is due to the plane, but it was nice to see!

Also I realize I've been woefully neglecting my scout planes on my ships as many are not at full strength XD. Joys of playing against AI quickly!


Edit: Realize I triple posted. Each post was a bit different in context so didn't think to edit a previous post. Sorry about that!




BBfanboy -> RE: Non BBs don't seem to be bombarding. (2/11/2020 5:52:02 AM)

You do get info on supply hits from naval bombardments and aerial bombing of the AF or port. It is in the combat report, just after the troop casualty results IIRC.




alanschu -> RE: Non BBs don't seem to be bombarding. (2/11/2020 2:15:35 PM)


quote:

ORIGINAL: BBfanboy

You do get info on supply hits from naval bombardments and aerial bombing of the AF or port. It is in the combat report, just after the troop casualty results IIRC.


Yes, but if I control the base in the hex then I'm only bombarding LCUs.




BBfanboy -> RE: Non BBs don't seem to be bombarding. (2/11/2020 10:40:02 PM)


quote:

ORIGINAL: alanschu


quote:

ORIGINAL: BBfanboy

You do get info on supply hits from naval bombardments and aerial bombing of the AF or port. It is in the combat report, just after the troop casualty results IIRC.


Yes, but if I control the base in the hex then I'm only bombarding LCUs.

Ok - I understand your comment now.




Ian R -> RE: Non BBs don't seem to be bombarding. (2/12/2020 1:37:04 AM)

quote:

ORIGINAL: alanschu

quote:

Do you know from previous ground combat if there are any CD guns at Akyab?


They took it unoccupied and I couldn't confirm if there are any CD guns. I did the attack at distance 14, so I'm inclined to think at this point they probably don't have anything. At least nothing worth worrying about!



Either that or they are out of ammo/supply.

Sending DDs, or 6" cruisers, to bombard a target with 150/155mm/6" or upwards CD guns can turn out poorly.

Some of the IJ bases have fortifications with nasty things to shoot back at you; E.G. Mili naval fort has a bunch of 140cm and 150cm guns that will sink bombarding DDs. Unless you have cut the base's supply lines and bombed it for months to disable/destroy the guns, you should limit bombardment to BBs and 8" cruisers (and the latter at near max range).

As you get closer you get to Japan, the gun calibres go up. There are a couple of places with 40cm CD guns (about 16.75"). They are the landed equivalent of the Nagato's main rifles. They outrange everything you have afloat. Fortunately they are located in places that make very good training targets for bomber crews and are easy to sweep and escort.


Edit: apostrophes.




alanschu -> RE: Non BBs don't seem to be bombarding. (2/12/2020 6:30:55 AM)


quote:

ORIGINAL: Ian R

Either that or they are out of ammo/supply.

Sending DDs, or 6" cruisers, to bombard a target with 150/155mm/6" or upwards CD guns can turn out poorly.

Some of the IJ bases have fortifications with nasty things to shoot back at you; E.G. Mili naval fort has a bunch of 140cm and 150cm guns that will sink bombarding DDs. Unless you have cut the base's supply lines and bombed it for months to disable/destroy the guns, you should limit bombardment to BBs and 8" cruisers (and the latter at near max range).

As you get closer you get to Japan, the gun calibres go up. There are a couple of places with 40cm CD guns (about 16.75"). They are the landed equivalent of the Nagato's main rifles. They outrange everything you have afloat. Fortunately they are located in places that make very good training targets for bomber crews and are easy to sweep and escort.


Edit: apostrophes.


I have definitely run into this in previous games. I think I tried a raid on Truk one time. And I've had my guns shoot back on his landing forces (Port Moresby in particular) and bombardment fleets, so definitely familiar with the risk.

I'd be surprised if there was no ammo/supply at Akyab (they'd held it for a month or two, and outside of marginal night attacks I've not tried hitting it). So I feel reasonably confident that (right now) there's nothing too threatening at this point.

But I don't have any quick reload location yet so I can't sustain any ship bombardments. I'd have to return to Madras or Colombo to reload the heavy guns, and I did get caught returning from my bombardment with a fleet wandering near Cox's Bazar. I was lucky and didn't get hit by any long lances, but also only got a few shots into a CL as we didn't have much for high calibre ammo. I'm working on focusing on Chittagong's port now, which is level 6 (81% to level 7) to give a closer point to charge from, that also has good air cover.

My last UK carrier took a torpedo, and likely won't see action again before needing to be officially withdrawn (not counting Hermes which is still alive, but is always a minor asset at best in my experience.




Lokasenna -> RE: Non BBs don't seem to be bombarding. (2/12/2020 8:09:10 PM)

The range setting for the float planes at night is superfluous.

If you don't set a target for the recon, they either won't fly recon missions at night or will only fly against bases in range.

The spotter mission is separate from this, and just requires that the planes be set to recon and have at least 1 plane available (and presumably pass a roll of the dice).

To save on clicks, I just turn my float planes to night and recon mission, and don't touch the range, rest, etc. They always fly spotter for my bombardments.




Ian R -> RE: Non BBs don't seem to be bombarding. (2/13/2020 12:19:41 AM)

The "separate spotter mission" may be an "undocumented feature", but if so then these two posts are not, on closer examination, inconsistent.


quote:

ORIGINAL: Alfred

Range zero is always recommended by non devs but there is no real benefit in doing so. Setting the range up to normal will generate the same quality intel as a range setting of zero.

The view, originally advanced by michaelm75au, of setting a range of zero was to ensure the target bombardment hex only is reconned. However this is actually not guaranteed and there is a far better method of ensuring only the target hex is reconned. Set the on board air unit to have as its target the bombardment hex and irrespective of other nearby hexes, only the target hex gets reconned. This is not the case with a zero range under commander discretion as then any base hex traversed by the TF mght be reconned. You get only one reconning per phase so you don't want to waste it on reconning a non target hex.

"Loiter" time [is irrelevant].

The Bombardment TF mission is coded to be undertaken only at night. Human manipulation is needed to get it to deliver a day bombardment. If so manipulated, the on board air unit should be operating during the day, not at night.

Alfred


quote:

ORIGINAL: Lokasenna

The range setting for the float planes at night is superfluous.

If you don't set a target for the recon, they either won't fly recon missions at night or will only fly against bases in range.


The spotter mission is separate from this, and just requires that the planes be set to recon and have at least 1 plane available (and presumably pass a roll of the dice).

To save on clicks, I just turn my float planes to night and recon mission, and don't touch the range, rest, etc. They always fly spotter for my bombardments.



Edit to add some visual cues.




Lokasenna -> RE: Non BBs don't seem to be bombarding. (2/19/2020 6:27:04 PM)

Worth noting that just in case your bombardment occurs during the day instead of during the night phase, maybe you want one of your FP groups to be set to recon during the day. Still, this occurs in a separate phase than the recon mission that the plane would fly.

Mild correction to Alfred's statement about recon range 0 possibly making a plane fly a recon mission on any hex "traversed by" the TF: since the recon mission occurs after the TF has completed its movement, it would only recon the hex that the TF is in.

But again, this is irrelevant to the spotter plane mechanic/routine.




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