Wirraway_Ace wrote: Sat Apr 23, 2022 2:20 am
I need to do some math: 1 vehicle point and 1 manpower point for the load cost of the vehicle; 1 armament point and 1 manpower point for each load cost of a squad.
Don't forget the supply points that go with each of the above.
The limiting factor will probably be supply, rather than manpower, vehicle or armament points.
Wirraway_Ace wrote: Sat Apr 23, 2022 2:20 am
I need to do some math: 1 vehicle point and 1 manpower point for the load cost of the vehicle; 1 armament point and 1 manpower point for each load cost of a squad.
Don't forget the supply points that go with each of the above.
The limiting factor will probably be supply, rather than manpower, vehicle or armament points.
The Empire of Japan reached its likely high-water mark in mid June 1942.
In China, the enemy retreated from Changsha and the other cities north and west of Xiang River. The Chinese Army is now defending in wooded highland terrain in an arc a thousand miles long, from Lanchow to Kweiyang. I am redeploying the two newly formed armored divisions and seven other veteran divisions to the Burma theater while still fighting toward Lanchow.
In Burma, the enemy has committed his two veteran Australian divisions and much of the Allied airforce. He is pressing back my screening force of Thai units. At the moment, the Allies outnumber the IJA divisions in this theater.
On Java, the Dutch are still holding out in their mountain fortress of Bandoeng. I have reduced the forts to 1, but he still has 560 AV in the hex and appears to have adequate supply, even after four months of daily bombing and combat. This fight is tying down four divisions and represents a significant strategic issue without a solution other than to keep grinding away. In a stacking limit game, this hex is exceptionally difficult to take when stuffed with both an Command HQs and Corps HQs, two AA units, and the best of the Dutch regiments from Java.
The Timor Sea is quiet at the moment with no noticeable buildup in Northern Australia.
The enemy retook New Caledonia. I had withdrawn my forces there.
U.S. Marine paratroopers destroyed my seaplane base at Espiritu Santo with help from B17 carpet bombing launched from Suva. The small SNLF unit and aviation company supporting the patrol aircraft were so stunned by the intensity of the bombing, they staggered into the jungle dazed as the marines destroyed 12 Mavis flying boats.
Further east in the Gilberts the 24th and 25th U.S, Divisions stormed my small forward garrison at Tabiteuea in a well conducted amphibious assault. All Allied CVs were present. I did not commit the understrength KB--the big twins, Shokoku and Zuikaku were at Kobe getting their radar upgrades.
Then, within a week, the enemy landed at Wake.
Last edited by Wirraway_Ace on Sat Jul 30, 2022 12:02 pm, edited 2 times in total.
The enemy's invasion of Wake began on the 20th of June 42 with a massive bombardment from six battleships. The force was covered by all the enemy CVs. DesertWolf knows the Japanese OOB inside and out, and I suspect guessed the KB would be understrength until the end of the month. He appears to have loaded all his U.S. CVs with at least one Marine fighter squadron each and left his obsolete torpedo bombers back at Pearl.
Here is the action as it occurred:
--------------------------------------------------------------------------------
Night Naval bombardment of Wake Island at 136,98 - Coastal Guns Fire Back!
Japanese ground losses:
344 casualties reported
Squads: 0 destroyed, 1 disabled
Non Combat: 12 destroyed, 30 disabled
Engineers: 3 destroyed, 1 disabled
Guns lost 17 (7 destroyed, 10 disabled) [the BBs hammered the coastal gun unit, rendering it combat ineffective]
Airbase hits 7
Runway hits 18
Port hits 4
Port fuel hits 1
Port supply hits 2
Wake Coastal Gun Battalion firing at BB Warspite
BB Warspite firing at Wake Coastal Gun Battalion
BB Mississippi firing at Wake Coastal Gun Battalion
Wake Coastal Gun Battalion firing at BB Mississippi
OS2U-3 Kingfisher acting as spotter for BB New Mexico
Wake Coastal Gun Battalion firing at BB New Mexico
BB New Mexico firing at Wake Coastal Gun Battalion
BB Idaho firing at Wake Coastal Gun Battalion
Wake Coastal Gun Battalion firing at BB Idaho
BB Arizona firing at Wake Island
BB Colorado firing at Wake Island
AFTER ACTION REPORTS FOR Jun 21, 42
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Pre-Invasion action off Wake Island (136,98) - Coastal Guns Fire Back!
Defensive Guns engage approaching landing force
94 Coastal gun shots fired in defense.
Allied Ships
CA San Francisco
CL Concord
CL Raleigh
DD Chew
AP Hunter Liggett
APD Kennison
AVD Chincoteague
DD Kilty
CA San Francisco firing at Wake Coastal Gun Battalion
Wake Coastal Gun Battalion firing at CA San Francisco
CL Concord firing at Wake Coastal Gun Battalion
Wake Coastal Gun Battalion firing at CL Concord
CL Raleigh firing at Wake Coastal Gun Battalion
Wake Coastal Gun Battalion firing at CL Raleigh
DD Chew firing at Wake Coastal Gun Battalion
Wake Coastal Gun Battalion firing at DD Chew
20cm 41YT CD Gun Battery engaging AP Hunter Liggett at 25,000 yards
Defensive Guns fire at approaching troops in landing craft at 5,000 yards
Defensive Guns fire at approaching troops in landing craft at 2,000 yards
--------------------------------------------------------------------------------
Amphibious Assault at Wake Island (136,98)
TF 293 troops unloading over beach at Wake Island, 136,98
Allied ground losses:
26 casualties reported [Marines and Combat Engineers land in good order, it appears]
Squads: 0 destroyed, 5 disabled
Non Combat: 1 destroyed, 4 disabled
Engineers: 0 destroyed, 0 disabled
Guns lost 1 (0 destroyed, 1 disabled)
Vehicles lost 2 (0 destroyed, 2 disabled)
10 Support troops accidentally lost during unload of 7th Marine Rgt /3
Japanese ground losses:
483 casualties reported
Squads: 3 destroyed, 54 disabled [this looked bad, but casualties were lower than reported. Only about 20 squads disabled in the single Naval Guard Unit on the atoll]
Non Combat: 5 destroyed, 4 disabled
Engineers: 0 destroyed, 3 disabled
Allied ground losses:
1022 casualties reported
Squads: 13 destroyed, 41 disabled [about 1/3 of the Marine Rgt combat power}
Non Combat: 2 destroyed, 26 disabled
Engineers: 27 destroyed, 36 disabled [The engineers are slaughtered, presumably caught by massed mortars while in the wire]
Vehicles lost 17 (2 destroyed, 15 disabled)
Defending units:
63rd Naval Guard Unit
67th Nav Gd /1 [reinforcements being flown in from Marcus Island by Mavis patrol aircraft]
5th Mortar Battalion
7th JNAF Coy
15th Const Co
Wake Coastal Gun Battalion
AFTER ACTION REPORTS FOR Jun 22, 42
--------------------------------------------------------------------------------
Night Naval bombardment of Wake Island at 136,98 - Coastal Guns Fire Back!
20 Coastal gun shots fired in defense.
Allied Ships
BB Warspite, Shell hits 1 [Interesting that they had ammo for a second go; perhaps just secondary armament]
BB Mississippi, Shell hits 1
BB Idaho, Shell hits 1
BB Arizona
BB Colorado
Airbase hits 2
Runway hits 8
Port hits 2
Walrus II acting as spotter for BB Warspite
Wake Coastal Gun Battalion firing at BB Warspite
BB Warspite firing at Wake Coastal Gun Battalion
Wake Coastal Gun Battalion firing at BB Mississippi
BB Mississippi firing at Wake Coastal Gun Battalion
BB Idaho firing at Wake Coastal Gun Battalion
Wake Coastal Gun Battalion firing at BB Idaho
BB Arizona firing at Wake Island
OS2U-3 Kingfisher acting as spotter for BB Colorado
BB Colorado firing at Wake Island
--------------------------------------------------------------------------------
Night Naval bombardment of Wake Island at 136,98 - Coastal Guns Fire Back!
37 Coastal gun shots fired in defense.
Allied Ships
CA Vincennes
CA Minneapolis, Shell hits 2
CA New Orleans
CA Chicago
CA Chester
CA Northampton, Shell hits 1
CA Vincennes firing at Wake Coastal Gun Battalion
Wake Coastal Gun Battalion firing at CA Vincennes
Wake Coastal Gun Battalion firing at CA Minneapolis
CA Minneapolis firing at Wake Coastal Gun Battalion
CA New Orleans firing at Wake Coastal Gun Battalion
Wake Coastal Gun Battalion firing at CA New Orleans
Wake Coastal Gun Battalion firing at CA Chicago
CA Chicago firing at Wake Coastal Gun Battalion
CA Chester firing at Wake Coastal Gun Battalion
Wake Coastal Gun Battalion firing at CA Chester
CA Northampton firing at Wake Coastal Gun Battalion
Wake Coastal Gun Battalion firing at CA Northampton
--------------------------------------------------------------------------------
Night Naval bombardment of Wake Island at 136,98 - Coastal Guns Fire Back!
11 Coastal gun shots fired in defense.
Allied Ships
BC Repulse
CA Exeter
CA Cornwall
CA Devonshire
CA Dorsetshire
CA Canberra
CA Australia
Japanese ground losses:
107 casualties reported
Squads: 0 destroyed, 0 disabled
Non Combat: 9 destroyed, 11 disabled
Engineers: 0 destroyed, 3 disabled
Guns lost 13 (5 destroyed, 8 disabled)
Airbase hits 6
Airbase supply hits 3
Runway hits 9
Port hits 16
Port supply hits 2
BC Repulse firing at Wake Coastal Gun Battalion
Wake Coastal Gun Battalion firing at BC Repulse
CA Exeter firing at Wake Island
CA Cornwall firing at Wake Island
CA Devonshire firing at Wake Island
CA Dorsetshire firing at Wake Coastal Gun Battalion
CA Canberra firing at Wake Island
Seagull V acting as spotter for CA Australia
CA Australia firing at 5th Mortar Battalion
--------------------------------------------------------------------------------
Morning Air attack on 102nd Combat Engineer Regiment, at 136,98 (Wake Island)
Weather in hex: Partial cloud
Raid spotted at 9 NM, estimated altitude 13,000 feet.
Estimated time to target is 3 minutes
Japanese aircraft
G3M2 Nell x 25 [IJN bombers from Roi-Namur hit the invaders on the beaches]
G4M1 Betty x 21
Aircraft Attacking:
25 x G3M2 Nell bombing from 10000 feet *
Ground Attack: 2 x 250 kg GP Bomb
21 x G4M1 Betty bombing from 9000 feet
Ground Attack: 2 x 250 kg GP Bomb, 4 x 60 kg GP Bomb
Also attacking 7th Marine Regiment ...
Also attacking 102nd Combat Engineer Regiment ...
Also attacking 7th Marine Regiment ...
Also attacking 102nd Combat Engineer Regiment ...
--------------------------------------------------------------------------------
Morning Air attack on 7th Marine Regiment, at 136,98 (Wake Island)
Weather in hex: Partial cloud
Raid spotted at 3 NM, estimated altitude 12,000 feet.
Estimated time to target is 0 minutes
Aircraft Attacking:
5 x G4M1 Betty bombing from 9000 feet
Ground Attack: 2 x 250 kg GP Bomb, 4 x 60 kg GP Bomb
AFTER ACTION REPORTS FOR Jun 23, 42
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Morning Air attack on 7th Marine Regiment, at 136,98 (Wake Island)
Weather in hex: Clear sky
Raid spotted at 15 NM, estimated altitude 5,000 feet.
Estimated time to target is 5 minutes
Aircraft Attacking:
25 x G3M2 Nell bombing from 3000 feet *
Ground Attack: 2 x 250 kg GP Bomb
5 x G4M1 Betty bombing from 3000 feet
Ground Attack: 2 x 250 kg GP Bomb, 4 x 60 kg GP Bomb
Carrier support unable to supply air cover.. [Looks like he tried to have his CAP cover the island by extending its radius, but the FDC said "Ain't going to happen, Sir!"
Also attacking 102nd Combat Engineer Regiment ...
Also attacking 7th Marine Regiment ...
Also attacking 102nd Combat Engineer Regiment ...
Also attacking 7th Marine Regiment ...
--------------------------------------------------------------------------------
Morning Air attack on 7th Marine Regiment, at 136,98 (Wake Island)
Weather in hex: Clear sky
Raid spotted at 5 NM, estimated altitude 8,000 feet.
Estimated time to target is 1 minutes
Aircraft Attacking:
20 x G4M1 Betty bombing from 3000 feet
Ground Attack: 2 x 250 kg GP Bomb, 4 x 60 kg GP Bomb
Carrier support unable to supply air cover.. {FDC still giving the Marine commander the middle finger salute ]
--------------------------------------------------------------------------------
Afternoon Air attack on Wake Coastal Gun Battalion, at 136,98 (Wake Island)
Weather in hex: Partial cloud
Raid spotted at 17 NM, estimated altitude 16,000 feet.
Estimated time to target is 6 minutes
Allied aircraft
F4F-3 Wildcat x 90
SBD-3 Dauntless x 220
No Allied losses
Japanese ground losses:
233 casualties reported
Squads: 2 destroyed, 10 disabled
Non Combat: 2 destroyed, 28 disabled
Engineers: 0 destroyed, 0 disabled
Guns lost 15 (6 destroyed, 9 disabled)
AFTER ACTION REPORTS FOR Jun 24, 42
-------------------------------------------------------------------------------- [All quiet. I continue to fly in reinforcements by patrol aircraft as the airstrip on Wake is still closed]
AFTER ACTION REPORTS FOR Jun 25, 42
--------------------------------------------------------------------------------
Afternoon Air attack on 102nd Combat Engineer Regiment, at 136,98 (Wake Island)
Weather in hex: Light cloud
Raid spotted at 12 NM, estimated altitude 6,000 feet.
Estimated time to target is 4 minutes
Japanese aircraft
A6M2 Zero x 27 [Junyo was loitering 9 hexes away, unseen, providing LRCAP at 19,000 feet, anticipating he would LRCAP at a low altitude to catch the bombers]
G3M2 Nell x 15
Allied aircraft
F4F-3A Wildcat x 16
F4F-4 Wildcat x 23
Japanese aircraft losses
A6M2 Zero: 2 destroyed [the zero drivers give a good account of themselves, catching the enemy down low and slow]
G3M2 Nell: 2 damaged
Allied aircraft losses
F4F-3A Wildcat: 4 destroyed [Final tally with ops losses, though likely overstated, was 30 Wildcats]
F4F-4 Wildcat: 3 destroyed
Aircraft Attacking:
15 x G3M2 Nell bombing from 3000 feet *
Ground Attack: 2 x 250 kg GP Bomb
CAP engaged:
VF-71 with F4F-4 Wildcat (23 airborne, 0 on standby, 0 scrambling)
23 plane(s) intercepting now.
Group patrol altitude is 10000 , scrambling fighters between 0 and 10000.
Raid is overhead
VMF-212 with F4F-3A Wildcat (16 airborne, 0 on standby, 0 scrambling)
16 plane(s) intercepting now.
Group patrol altitude is 6000 , scrambling fighters between 0 and 6000.
Raid is overhead
--------------------------------------------------------------------------------
Afternoon Air attack on 102nd Combat Engineer Regiment, at 136,98 (Wake Island)
Weather in hex: Light cloud
Raid spotted at 6 NM, estimated altitude 6,000 feet.
Estimated time to target is 1 minutes
Japanese aircraft
G4M1 Betty x 41
Allied aircraft
F4F-4 Wildcat x 3
Japanese aircraft losses
G4M1 Betty: 5 damaged
G4M1 Betty: 1 destroyed by flak
Aircraft Attacking:
26 x G4M1 Betty bombing from 3000 feet
Ground Attack: 2 x 250 kg GP Bomb, 4 x 60 kg GP Bomb
14 x G4M1 Betty bombing from 3000 feet
Ground Attack: 2 x 250 kg GP Bomb, 4 x 60 kg GP Bomb
CAP engaged:
VF-71 with F4F-4 Wildcat (0 airborne, 0 on standby, 0 scrambling)
3 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
Group patrol altitude is 10000 , scrambling fighters to 12000.
Time for all group planes to reach interception is 100 minutes
--------------------------------------------------------------------------------
Afternoon Air attack on Wake Coastal Gun Battalion, at 136,98 (Wake Island)
Weather in hex: Light cloud
Raid spotted at 20 NM, estimated altitude 15,000 feet.
Estimated time to target is 7 minutes
Japanese aircraft
A6M2 Zero x 14
Allied aircraft
F4F-3 Wildcat x 63
F4F-4 Wildcat x 54
SBD-3 Dauntless x 220
Japanese ground losses:
144 casualties reported
Squads: 1 destroyed, 7 disabled
Non Combat: 3 destroyed, 15 disabled
Engineers: 0 destroyed, 2 disabled
Guns lost 13 (6 destroyed, 7 disabled)
--------------------------------------------------------------------------------
Afternoon Air attack on Wake Island , at 136,98
Weather in hex: Light cloud
Raid spotted at 22 NM, estimated altitude 23,000 feet.
Estimated time to target is 7 minutes
Allied aircraft
F4F-3 Wildcat x 18
F4F-4 Wildcat x 62
No Allied losses
Aircraft Attacking:
18 x F4F-3 Wildcat sweeping at 20000 feet [I anticipated he would sweep, and pulled Junyo's LRCAP back]
AFTER ACTION REPORTS FOR Jun 26, 42
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Afternoon Air attack on 5th Mortar Battalion, at 136,98 (Wake Island)
Weather in hex: Light cloud
Raid spotted at 18 NM, estimated altitude 13,000 feet.
Estimated time to target is 6 minutes
Allied aircraft
F4F-3 Wildcat x 95
F4F-4 Wildcat x 18
SBD-3 Dauntless x 219
Allied aircraft losses
SBD-3 Dauntless: 1 damaged
Japanese ground losses:
212 casualties reported
Squads: 0 destroyed, 7 disabled
Non Combat: 4 destroyed, 31 disabled
Engineers: 0 destroyed, 4 disabled
Guns lost 9 (2 destroyed, 7 disabled)
Allied ground losses:
222 casualties reported
Squads: 0 destroyed, 26 disabled [7th Marines look like a spent force and the engineers are combat ineffective]
Non Combat: 0 destroyed, 11 disabled
Engineers: 0 destroyed, 1 disabled
The air war has been going well for Japan over the past few weeks. Desert Wolf does not like to use his fighters as escorts, and is sometimes predictable in his target selection, allowing LRCAP to catch him by surprise.
On the 22nd of June, while he is kicking off the invasion of Wake, he sends mediums against Makin for the second day in a row without escorts.
--------------------------------------------------------------------------------
Morning Air attack on Makin , at 136,125 [he had closed the airfield the day before]
Weather in hex: Moderate rain
Raid spotted at 8 NM, estimated altitude 7,000 feet.
Estimated time to target is 2 minutes
Japanese aircraft
A6M2 Zero x 18 [LRCAP from Tarawa]
Allied aircraft
B-26 Marauder x 12
No Japanese losses
Allied aircraft losses
B-26 Marauder: 7 destroyed
CAP engaged:
Hosho-1 with A6M2 Zero (18 airborne, 0 on standby, 0 scrambling)
18 plane(s) intercepting now.
Group patrol altitude is 8000 , scrambling fighters between 0 and 8000.
Raid is overhead
--------------------------------------------------------------------------------
Morning Air attack on Makin , at 136,125
Weather in hex: Moderate rain
Raid spotted at 16 NM, estimated altitude 5,000 feet.
Estimated time to target is 4 minutes
Japanese aircraft
A6M2 Zero x 12
Allied aircraft
B-26 Marauder x 11
No Japanese losses
Allied aircraft losses
B-26 Marauder: 3 destroyed, 3 damaged [these don't make it home]
Airbase hits 1
Aircraft Attacking:
5 x B-26 Marauder bombing from 4000 feet *
Airfield Attack: 3 x 500 lb GP Bomb
CAP engaged:
Hosho-1 with A6M2 Zero (0 airborne, 0 on standby, 0 scrambling)
12 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
Group patrol altitude is 8000 , scrambling fighters to 4000.
Time for all group planes to reach interception is 63 minutes
And a couple days later in Burma...
--------------------------------------------------------------------------------
Afternoon Air attack on 2nd RTA/A Division, at 60,43 , near Katha
Weather in hex: Light cloud
Raid detected at 37 NM, estimated altitude 8,000 feet.
Estimated time to target is 14 minutes
Japanese aircraft
A6M2 Zero x 12 [LRCAP from Taung Gyi]
Ki-43-Ic Oscar x 18 [High cover LRCAP from Toungoo]
Ki-45 KAIa Nick x 9 [Low LRCAP from Toungoo]
Allied aircraft
139WH-3 x 12
No Japanese losses
Allied aircraft losses
139WH-3: 5 destroyed
CAP engaged:
Kanoya Ku S-1 with A6M2 Zero (0 airborne, 0 on standby, 0 scrambling)
0 plane(s) not yet engaged, 0 being recalled, 12 out of immediate contact.
Group patrol altitude is 8000 , scrambling fighters between 0 and 8000.
Time for all group planes to reach interception is 15 minutes
11th Sentai with Ki-43-Ic Oscar (18 airborne, 0 on standby, 0 scrambling)
18 plane(s) intercepting now.
Group patrol altitude is 34000 , scrambling fighters between 0 and 34000.
Raid is overhead
13th Sentai with Ki-45 KAIa Nick (9 airborne, 0 on standby, 0 scrambling)
9 plane(s) intercepting now.
Group patrol altitude is 7000 , scrambling fighters between 0 and 7000.
Raid is overhead
--------------------------------------------------------------------------------
Afternoon Air attack on 21st AA Regiment, at 60,43 , near Katha
Weather in hex: Light cloud
Raid detected at 27 NM, estimated altitude 11,000 feet.
Estimated time to target is 6 minutes
Japanese aircraft
A6M2 Zero x 9
Ki-43-Ic Oscar x 8
Ki-45 KAIa Nick x 9
Allied aircraft
A-20A Havoc x 8
B-17E Fortress x 3
B-26 Marauder x 3
Aircraft Attacking:
3 x B-17E Fortress bombing from 5000 feet
Ground Attack: 8 x 500 lb GP Bomb
CAP engaged:
Kanoya Ku S-1 with A6M2 Zero (9 airborne, 0 on standby, 0 scrambling)
9 plane(s) intercepting now.
Group patrol altitude is 8000 , scrambling fighters between 0 and 8000.
Raid is overhead
11th Sentai with Ki-43-Ic Oscar (0 airborne, 0 on standby, 0 scrambling)
8 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
Group patrol altitude is 34000 , scrambling fighters to 5000.
Time for all group planes to reach interception is 299 minutes
13th Sentai with Ki-45 KAIa Nick (0 airborne, 0 on standby, 0 scrambling)
9 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
Group patrol altitude is 7000 , scrambling fighters to 5000.
Time for all group planes to reach interception is 100 minutes
Also attacking 2nd RTA/A Division ...
--------------------------------------------------------------------------------
Afternoon Air attack on 1st RTA/B Division, at 60,43 , near Katha
Weather in hex: Light cloud
Raid detected at 26 NM, estimated altitude 6,000 feet.
Estimated time to target is 8 minutes
Japanese aircraft
A6M2 Zero x 4
Ki-43-Ic Oscar x 1
Allied aircraft
Blenheim I x 14
Blenheim IV x 43
B-17E Fortress x 29
B-26 Marauder x 13
Aircraft Attacking:
12 x Blenheim IV bombing from 5000 feet
Ground Attack: 4 x 250 lb GP Bomb
3 x Blenheim IV bombing from 5000 feet
Ground Attack: 4 x 250 lb GP Bomb
13 x Blenheim I bombing from 5000 feet
Ground Attack: 4 x 250 lb GP Bomb
16 x Blenheim IV bombing from 5000 feet
Ground Attack: 4 x 250 lb GP Bomb
8 x Blenheim IV bombing from 5000 feet
Ground Attack: 4 x 250 lb GP Bomb
13 x B-26 Marauder bombing from 5000 feet
Ground Attack: 6 x 500 lb GP Bomb
8 x B-17E Fortress bombing from 5000 feet
Ground Attack: 8 x 500 lb GP Bomb
8 x B-17E Fortress bombing from 5000 feet
Ground Attack: 8 x 500 lb GP Bomb
7 x B-17E Fortress bombing from 5000 feet
Ground Attack: 8 x 500 lb GP Bomb
6 x B-17E Fortress bombing from 5000 feet
Ground Attack: 8 x 500 lb GP Bomb
CAP engaged:
Kanoya Ku S-1 with A6M2 Zero (0 airborne, 0 on standby, 0 scrambling)
4 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
Group patrol altitude is 8000 , scrambling fighters to 5000.
Time for all group planes to reach interception is 251 minutes
11th Sentai with Ki-43-Ic Oscar (0 airborne, 0 on standby, 0 scrambling)
1 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
Group patrol altitude is 34000 , scrambling fighters to 5000.
Time for all group planes to reach interception is 63 minutes
Last edited by Wirraway_Ace on Sat Jul 30, 2022 12:01 pm, edited 1 time in total.
Desert Wolf appears intent on trying to hastily extract the 8,000 Marines and U.S. Army Combat Engineers pinned down on the beach at Wake island. After pounding the island's defenders with strikes of 200 dive bombers day after day to no avail, his carriers withdrew presumably low on sorties. It also must have been a bit nerve racking, with his carriers sighted and the location of the Japanese carriers largely unknown.
On the evening of the 30th of June, Japanese patrol planes caught a sniff of a small TF of minesweepers (they reported AMs) approaching Wake from the direction of Midway. That same day, an I-boat operating northwest of Pearl made contact with what appeared to be a fast carrier TF. Feeling confident it was not a baited trap, Admiral Nagumo ordered a CVL division of Junyo and Hosho to close in on Wake from the south and hopefully catch and sink the minesweepers preparing the way for a follow-on invasion. Or so it appeared. In reality, it was a fast transport taskforce trying to evacuate the engineers.
--------------------------------------------------------------------------------
Morning Air attack on TF, near Wake Island at 136,98
Weather in hex: Heavy cloud
Raid spotted at 33 NM, estimated altitude 18,000 feet.
Estimated time to target is 12 minutes
Japanese aircraft
A6M2 Zero x 16
D3A1 Val x 18
No Japanese losses
Allied Ships
APD Crosby, Bomb hits 3, heavy fires, heavy damage
APD Little, Bomb hits 1, on fire
APD Kennison, Bomb hits 3, and is sunk
A day later, Admiral Nagumo, pacing the bridge of Akagi as the big ship steamed slowly in heavy swells 200nm east of Majuro, nearly spit out his tea when a float plane from Chiyoda reported a long line of destroyers approaching from the south about 300nm further east of his position. The plan had been to stay out of sight to the southeast of Wake with his four CVs and three CVLs until CV Division 3 (Shokaku and Zuikaku, with their newly installed radar) linked up in a couple of days. Visibility was poor, the day overcast, and the reports unclear, but he hastily launched his ready strike aircraft.
--------------------------------------------------------------------------------
Afternoon Air attack on TF, near Majuro at 150,119
Weather in hex: Overcast
Raid spotted at 19 NM, estimated altitude 18,000 feet.
Estimated time to target is 6 minutes
Japanese aircraft
A6M2 Zero x 36
B5N2 Kate x 54
D3A1 Val x 45
Japanese aircraft losses
B5N2 Kate: 1 damaged
Allied Ships
APD Gregory, Bomb hits 3, heavy fires, heavy damage
APD King, Torpedo hits 3, and is sunk
APD Lawrence, Torpedo hits 1, and is sunk
APD John D. Ford, Bomb hits 3, heavy fires, heavy damage
APD Alden
APD Talbot, Torpedo hits 1, and is sunk
APD Kane
APD Schley, Bomb hits 4, heavy fires, heavy damage
APD Gilmer
APD Sands
APD Fox, Torpedo hits 1, and is sunk
APD Rathburne, Bomb hits 2, heavy fires, heavy damage
APD Stewart, Bomb hits 2, Torpedo hits 1, and is sunk
APD Brooks, Bomb hits 2, Torpedo hits 1, and is sunk
APD Whipple, Bomb hits 1
APD Humphreys
APD Pillsbury
APD McKean
APD Dent
Last edited by Wirraway_Ace on Wed Jul 27, 2022 3:14 am, edited 1 time in total.
The surviving 8 APDs fled either south toward Baker Island or east toward Pearl. Judging from their position about four days out from Wake when they were sighted yesterday, I assume his carriers are back at sea and only a few days out from providing cover for the Marines mini Dunkirk. That is fine. The situation is quite different than it was two weeks before when he launched invasion. Wake is heavily mined. The KB is now reassembled and all its fleet carrier fighter squadrons expanded with the 1 July airgroup resizing initiative. With six CVLs providing 136 fighters and the two CSs contributing 35 float fighters, the KB will look for an opportunity to catch the American CVs trying to provide cover to multiple surface TFs and themselves. Meanwhile, the bulk of the IJN surface ships are also loitering nearby.
Now we wait and see how much he is willing to risk for the 7th Marines beyond the 12 ADPs sunk in the past two days.
Amateur hour in the Southern Army HQs. I set only one of the two divisions two attack, after checking it twice! And the weather grounded all the bombers. The 2nd division went in alone.
Assaulting units:
48th Division
2nd Division
25th Army
2nd Hvy.Artillery Regiment
Tonei Hvy Gun Regiment
1st Ind.Hvy.Art. Battalion
18th Medium Field Artillery Regiment
Defending units:
1st Regt Cavalerie
6th KNIL Regiment
1st KNIL Regiment
Tjilatjap KNIL Battalion
2nd KNIL Regiment
Barisan KNIL Regiment
Marinier Battalion
Prajoda Garrison Battalion
ML-KNIL
ABDA
North Java Base Force
1st KNIL AA Battalion
3rd KNIL AA Battalion
Tjilitap Base Force
KNIL Army Command
Bandoeng Base Force
You need to get AM65s ASAP on KB or you are are going to run into trouble eventually.
Wirraway_Ace wrote: Wed Jul 27, 2022 2:51 am
2 July 42
A day later, Admiral Nagumo, pacing the bridge of Akagi as the big ship steamed slowly in heavy swells 200nm east of Majuro, nearly spit out his tea when a float plane from Chiyoda reported a long line of destroyers approaching from the south about 300nm further east of his position. The plan had been to stay out of sight to the southeast of Wake with his four CVs and three CVLs until CV Division 3 (Shokaku and Zuikaku, with their newly installed radar) linked up in a couple of days. Visibility was poor, the day overcast, and the reports unclear, but he hastily launched his ready strike aircraft.
--------------------------------------------------------------------------------
Afternoon Air attack on TF, near Majuro at 150,119
Weather in hex: Overcast
Raid spotted at 19 NM, estimated altitude 18,000 feet.
Estimated time to target is 6 minutes
Japanese aircraft
A6M2 Zero x 36
B5N2 Kate x 54
D3A1 Val x 45
Japanese aircraft losses
B5N2 Kate: 1 damaged
Allied Ships
APD Gregory, Bomb hits 3, heavy fires, heavy damage
APD King, Torpedo hits 3, and is sunk
APD Lawrence, Torpedo hits 1, and is sunk
APD John D. Ford, Bomb hits 3, heavy fires, heavy damage
APD Alden
APD Talbot, Torpedo hits 1, and is sunk
APD Kane
APD Schley, Bomb hits 4, heavy fires, heavy damage
APD Gilmer
APD Sands
APD Fox, Torpedo hits 1, and is sunk
APD Rathburne, Bomb hits 2, heavy fires, heavy damage
APD Stewart, Bomb hits 2, Torpedo hits 1, and is sunk
APD Brooks, Bomb hits 2, Torpedo hits 1, and is sunk
APD Whipple, Bomb hits 1
APD Humphreys
APD Pillsbury
APD McKean
APD Dent
You need to get AM65s ASAP on KB or you are are going to run into trouble eventually.
Wirraway_Ace wrote: Wed Jul 27, 2022 2:51 am
Thanks for the note, njp72.
A6M5s will go into mass production at the tail end of August 42, about 45 days from now. A6M3a's will begin production this month. In a PDU off game, I believe I have to do the Texas Two-step following the squadron upgrade path: first the A6M3a, then the A6M5. I will test out whether I can skip a step in the upgrade path or not. For the factories, I of course have to go through the upgrade path or spend a ton of supply in repair. I was surprised to find that the A6M2 factories where a dead end, and would not upgrade to the A6M3 line. According to the tracker, those factories will only upgrade to the A6M2 Sen Baku.
Last edited by Wirraway_Ace on Fri Jul 29, 2022 1:32 pm, edited 1 time in total.
The enemy may have given up on a mini-Dunkirk evacuation at Wake. There is no sign of movement.
Reinforcement of the rest of the Mandates is going unimpeded. They are being garrisoned with the SNLF/Nav Guard units that are all veterans of the DEI fighting, so most have experience above 70. The major weak point is Nauru Island. It is not an atoll, and has a stacking limit of 25,000. It needs a robust Army garrison, but these are hard to come by at the moment...The Guards Mixed Brigade, a so-so formation, is the only available unit and is on its way from China by fast xAP. To that formation, the Army will add some AT guns and a regiment of medium artillery.
Meanwhile, in the PI, I have another cohort of ten Naval Guard units finishing off the Philippine garrisons to get some much needed combat experience before their deployment to the front lines. I had originally sent these units to southwest China back in March to get blooded, but Desert Wolf withdrew into the mountains when pressed, so all they did is spend a lot of time marching.
In Burma, British, Chinese and Australian troops have defeated two divisions of the Thai Army that had crossed the Irrawaddy and pressed forward toward India. His two excellent Australian divisions with an armored brigade are currently sitting across the river from Prome. Will they cross? I am currently trying to show weakness in this theater, some real, some feigned. I have five good IJA divisions strung out between Rangoon and Lashio. That line is hopefully tempting to him since he has committed a great deal of land and airpower to the theater.
Meanwhile, I have seven more veteran divisions, two green armored divisions, 3 veteran independent tank regiments, 2 medium artillery regiments, 4 heavy artillery regiments, 250 fighters and 250 medium bombers (Sallys and Helens) massing in Thailand for a counter stroke.
That said, I still have to solve the Bandoeng fortress problem on Java. Four divisions with heavy artillery support and 150 bombers have made little headway in months of fighting. I think I may send the armored divisions to Java to fight in that controlled environment and use the veteran independent tank regiments in Burma. I am also going to try flying my IJAAF bombers low over Bandoeng for a couple days of massed attacks to see if they can suppress the AA units enough to make casualties acceptable. They have been bombing from high altitude for the past couple months with no losses, but also little effect other than to keep the airfield damaged (forts are down to 0) and destroy supply. I had not destroyed the light industry in the hex, assuming that by isolating and occupying the hex back in January, the resources would dry up quickly and the industry come to a halt. This was almost certainly a mistake. Perhaps he pooled the resources there prior to the invasion?
This is what I do, which seems to work well, but I have little to compare it to other than my own prior attempts.
Navy fighter pilots are the biggest issue. Always. The IJNAF A6M2s are the most effective fighter aircraft Japan has on land or at sea until the Tojo and Oscar IIb arrive (Sep 42 for the Tojo with no research invested in this line and Oct 42 for the Oscar IIb with my modest research efforts in that line). It is not unit the Frank arrives early-mid 43 that the IJAAF can really carry the load.
My goal for fighter pilots is 50 Exp, 70 Air, 70 Def. I then move these pilots to units that are mostly flying CAP to get their experience up to 55-60.
The training regimen is typically a month in a float plane unit training sweep at 10,000 (100%, range 0), then another month at 100 to get defense to about 70. The pilots who lag in defense are sorted and pulled into remedial training in a squadron for these "special pilots". The remedial squadron continues low level Sweep training or Low Nav Attack at 1,000 to try and increase Defense skill to an acceptable range. The successful graduates are sent to a fighter squadron in the Home Islands to polish their Air skill to 70 with sweep training again at 10,000. When possible, all initial training squadrons have a veteran cadre of pilots to keep the average experience level higher than the median experience level to accelerate experience growth.
IJAAF fighter training follows the same general course without having to use float planes for the initial training and the subsequent Kabuki dance of getting these pilots into fighter squadrons.
11 July 42
Batavia, the jewel of a colonial empire, with its fine sheltered harbor and long orderly rows of white buildings along straight roads and canals, baked under the midsummer sun. Two uniformed men stood by themselves at the end of the stone jetty, staff a polite distance away, trying to ignore the heat, the humidity and the insects that swarmed out of the expanse of marshland surrounding the city. Behind the men loomed the art deco mass of the train station. Before them was a broad channel lined on one side by warehouses built by the Dutch East India Company. The channel was packed with Japanese transports. Black iron cranes plucked trucks and tanks from the ships as tan uniformed soldiers scaled rope ladders down to waiting lighters.
The two men, upon close inspection, both wore the uniforms of general officers of the Imperial Japanese Army. One was a small man and a full general. The epaulets on the hulking figure at his side proclaimed him a lieutenant general. They were both watching the harbor activity intently.
The small general gave sickly cough, then said, “Your dream Tomoyuki, neh? A mechanized army like those of our German allies.”
Tomoyuki Yamashita regarded his friend, noting how painfully thin he looked. Kotaro Nakumura had never been a robust man, but his long illness had withered him to just bone and sinew. The eyes still twinkled with fierceness though, and Nakumura still had the energy to shield Yamashita from General Tojo’s wrath (and jealousy) in far off Tokyo. “Hai, Nakumura-sama. Massed tanks manned by those dedicated to Bushido will shatter the world of the Western Imperialist as our ships and airplanes have done.”
“You beat the colonialist easily enough in Malaya with an infantry force,” Nakumura countered politely.
“Mostly, Nakumura-sama. I had some tanks,” Yamashita said. “But these Dutch…” He paused. It seemed for a moment that the wind brought the sound of the distant thunder, his heavy siege guns firing on concealed positions hidden on the steep sides of the volcanic hills that encircled the valley of Bandoeng 100 kilometers to the south. “They fight skillfully in rough terrain and seem still well supplied after four months. I need to change my approach. We need to change our approach. Your own G-2 talked at some length about the enemy armour brigades massing in Burma.”
“Yet I deem our position in Burma stable,” Nakumura said, eyes twinkling and a slight smile tightening the slack skin of his face.
You old bastard, Yamashita thought. “Hai, Nakumaru-sama. ‘Stable’ with the addition of six veteran divisions from China, three tank regiments, three artillery regiments and almost every fighter aircraft in the IJAAF.”
“True, but to you I have given the prize, neh? Those ships carry the first two tank divisions in the Imperial Army!”
“And I am honored, Nakumura-sama. I will put them to good use, and crush the Dutch.”
“You must, and soon, Yamashita-san,” the general replied, with a shake of his head.
Yamashita understood the other man’s concern. While four--now six--divisions were tied up at Bandoeng, Southern Java and all the islands south to Soemba and Timor were exposed to a sudden thrust by the Allies, similar to their attempt at Wake Island.
Less of an immediate concern, but of strategic import, was the division of Indian troops stuffed onto to Cocos Island. This atoll, while seemingly far off the coast, was likely to prove a thorn in the Japanese side. If intelligence assessments of the B24 bomber were correct, the enemy would have the ability to strike the oil fields of Palembang from an airstrip on the atoll by the end of the year. While the IJAAF was confident they could defeat daylight raids easily, he knew they did not have a solution for nighttime raids. It might be possible to disrupt the defenders enough with air and naval bombardments to make an invasion of the atoll possible, but he did not relish the thought. A single green Naval Guard unit supported by a battalion of mortars had defeated a U.S. Marine regiment at Wake even after days of naval and carrier air attacks. But he was getting ahead of himself. First he must defeat the Dutch. Here. Now.
Last edited by Wirraway_Ace on Mon Aug 08, 2022 11:27 pm, edited 1 time in total.
Fierce fighter duels over Ramree Island in Burma are inconclusive. Japanese losses in airframes due to combat and ops are about twice the sweeping P38s, P39s and P40s, but Japanese pilot losses are low--probably 1/3 lower than the Allies due to operating over a friendly base. I expect to be able to out-produce the Allies in fighter aircraft, so the unfavorable loss ratio in airframes is acceptable, but obviously not desirable. The whole operation was a deception to draw his attention away from interdicting the redeployment of my main force units in Burma. I dropped a handful of paratroopers on the undefended island that sits astride his main line of advance. He responded as I expected with massed bomber attacks. I hoped to get to some of his bombers but his fighter sweeps all came in ahead during the multi-day fight. I lost sixty LRCAP Oscars and Zeros to all causes, while he lost 20 P40s, 6 P38s, and about 10 P39s. I had fewer than 20 KIAs, which was about what I expected.
It is hard to judge success or failure, since I don't know if he was paying attention to my divisions moving about on the roads. In any case, all my divisions reached their positions unmolested. A company of paratroopers were carpet-bombed into oblivion.
A6M5s go into production in just over two weeks, but the goal is to get the IJNAF out of handling much of the frontline fighter duties. My pools of trained pilots was strained by the expansion of the carrier air groups this month, and it has been slower going getting replacements to target levels (50 exp, 70 Air/70 Def for land-based units and 70 exp for all carrier units) than the IJAAF training pipeline. I use almost every available Pete and Dave float squadron to supplement the handful of IJNAF rear area fighter units, but it has been a close thing.
Meanwhile, the IJAAF pilot pools are in very good shape and a few improved aircraft are soon going to be available. Tojos and Oscar IIbs (also the underwhelming IIas) will become available in September, and the armored Helen IIa. Production of the Helen IIa will be limited because few groups upgrade to this airframe. In the game, it is a decent medium bomber, but it was disliked by the aircrews who flew it.
HA45 engines should also go into production during September to get to 500 in the pools by the end of the year. I will only have one of the factories go into production, switching six research factories over to the HA43 (for the Sam). It is hard to predict when the Frank research facilities will be fully repaired, but early 43 I expect. And the research factories for the excellent George will be repaired by the end of the year, so that aircraft will likely go into production in February 43. I expect the armored A6M51c should be in production then, if not sooner. The long-term goal is to have all the CV airgroups flying the Sams and the Grace by the end of 43. The Grace will make it. Not sure about the Sam.
Sometimes you can make the enemy bleed with little risk. About a week ago, a recon flight from Tarawa picked up a few enemy ships in harbor at the small atoll of Arorae, some 500 nm south. The same imagery showed a level II airstrip with a fighter squadron, a bomber squadron, and at least two patrol squadrons. What caught my attention was a report of two submarines, and in range of Betties.
I directed the overflights elsewhere, trying to appear uninterested in the little island while focusing on the destruction of the Marines on Wake and the twenty or so submarines all patrolling the Marshalls in a giant wolfpack, fruitlessly looking for my carriers. Meanwhile, I flew in a small Air HQs to the level III field at Tarawa. When the HQs was present and the weather clear, I flew in a sentai of Oscars, a sentai of Zeros, and a sentai of Betties with an average experience rating of 69 (not wanting them to carry the inaccurate and unnecessary 800kg bombs). The Oscars and Zeros swept the skies, but DW did not have any fighters on CAP.
Then came the Betties for a decent little haul.
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Morning Air attack on Arorae , at 138,137
Weather in hex: Heavy cloud
Raid spotted at 18 NM, estimated altitude 13,000 feet.
Estimated time to target is 6 minutes
Japanese aircraft
G4M1 Betty x 30
No Japanese losses
Allied Ships
AV Pocomoke, Bomb hits 4, heavy fires
AVP Pelican, Bomb hits 1, heavy fires
AVP Teal, Bomb hits 2, heavy fires, heavy damage
CM Bungaree, Bomb hits 7, heavy fires, heavy damage
SS KX, Bomb hits 4, and is sunk
PC Morris, Bomb hits 1, and is sunk
DesertWolf prefers to flood a zone with submarines instead of sprinkling them out along lines of communication. In response, I have assembled a mobile ASW air team that I send to treat the infected area. The IJA/IJN air kampfgrouppe includes a unit of 27 Sally's and 27 Nells and relies on local theater patrol aircraft to help raise the DL and MDL of the subs. The bomber units operate at 90% ASW at 3,000 feet with search sectors set manually to ensure both morning and afternoon coverage. Local patrol aircraft perform both day and night Nav Search. It usually takes a few days, but once the MDL builds, the pilots with over 70 ASW skill start making attacks.
At the moment, I am treating an infection of about 20 submarines in the Marshalls. This probably does not herald a major operation. The submarines appeared all around Kwajalein after the KB was discovered operating about 300nms east of that base by his TF of APDs on its way toward Wake. I believe he suspects the KB is operating from Kwajelein and is trying to get a shot at the CVs--which are not anywhere near there now. There are, however, a couple 1pt AKLs based at Kwajelein at which he can shoot torpedoes.
Marshalls Jul 42.JPG (36.53 KiB) Viewed 1118 times
It is interesting to watch how quickly the ASW skill is climbing with each contact. The Sallys have damaged approximately five of the enemy subs, at least two badly. They are creeping at a hex per turn south toward his nearest base 20 hexes away.
Last edited by Wirraway_Ace on Mon Aug 08, 2022 11:19 pm, edited 1 time in total.
7th Marine Regiment surrendered today on Wake. The Marines held out a few days longer than their Army compatriots in the 102nd Combat Engineers. Both units had been trapped on the beach for a month and out of supply. After the APDs were caught by Nagumo's carrier aircraft trying to get into position for an evacuation, the enemy made no further attempt to extract the 7,000 men. One APD got away with a fragment of the 102nd Combat Engineers. To my knowledge, the 7th Marines died to a man.
It will be interesting to see what lessons learned DesertWolf takes from this failed invasion. He did not employ any tanks or artillery, and did not have any reserves available for commitment as a second wave. He appeared to count on the heavy naval bombardments and multiple strikes from hundreds of dive bombers to so disrupt the defenders, that the island would fall quickly, since he did not land much supply. Initially, he was overstacked by approximately 33%, which should have led to a 60% increase in supply usage. I consumed about 4,000 tons of supply over the course of the fight, and was overstacked by about the same amount within days of the initial invasion as I flew in reinforcements. His units appeared to be out of supply within 2-3 weeks (and two total attacks).
One interesting aspect of the fight that I got to see first hand was the effect of his naval bombardments and aerial bombardments on the individual units. The bombardment taskforces badly disrupted the coastal gun unit, and damaged most of its guns and squads before the landings, but did not disrupt the dug-in infantry or mortars. The naval bombardments also closed the airfield to operations of any type. The initial shock attack badly disrupted the infantry of the garrison Nav Grd unit, but the reinforcing units I was flying in by Mavis were left in good order. The subsequent aerial attacks nearly wiped out the coastal guns and damaged a number of the mortars, but the two battalion sized reinforcing units remained in good order and were able to easily repel the last Marine attempt at taking the island. I further reinforced by sea, twice, rotating out the spent Naval Guard units. I lost a total of about 20 Naval Guard squads, mostly in the first counter attack against the spent Marines. I suspect the naval infantry tried a Banzai charge and found out exactly how much firepower a Marine squad has.
The overall situation in the south and central Pacific seems likely to enter an operational pause. The 24th and 25th Divisions are sunning themselves on Tabiteuea, under constant recon from Tarawa. I will know when they attempt to move. 1st Mar Div is short its best regiment. The AEF is in India and Australian losses were heavy at Port Moresby (three brigades plus two good US Artillery Bns). That should leave Americal and a couple of New Zealand brigades available to him at the moment, as far as infantry, since it looks like most of his PP expenditures have gone to buying units for India. I would love to be able to take advantage of the situation, but with the Dutch tying up seven divisions at Bandoeng, my list of available forces is thin. I do have two decent divisions in the theatre though, and nearly all my Yusan N and Yusan A class ships have completed their conversion to AKs and AK-ts, so perhaps there are some opportunities after all...
The addition of three veteran tank regiments of the 2nd Tank Division appeared to make a significant impact on the combat Bandoeng. I say "appeared", because it was a single day of combat, but the IJA achieved its first 1:1 and reduced the enemy combat power 25%. Losses and disablements among the tanks were very light. Much less than I typically see fighting in the mountains against the Chinese north of Sian. The Dutch must have very poor anti-armor capabilities. The 48th Division, with 93 experience, was almost untouched. The 2nd Division (78 exp) will rotate out to repair its disabled squads. The 21st and 7th divisions are both in the wings (adjacent hex), the former getting the call for, "Next into the breach". The fully formed 1st Tank Division and the 16th Division are both in Batavia as the third echelon, though the 16th is still recovering from earlier fighting and 1st Tank is green. However, the veteran 18th Division is about five days out.
Ground combat at Bandoeng (50,100)
Japanese Deliberate attack
Attacking force 32003 troops, 331 guns, 699 vehicles, Assault Value = 1219
Defending force 22129 troops, 241 guns, 79 vehicles, Assault Value = 557
Assaulting units:
8th Tank Regiment
2nd Division
7th Tank Regiment
48th Division
6th Tank Regiment
10th Tank Regiment
Tonei Hvy Gun Regiment
2nd Hvy.Artillery Regiment
1st Ind.Hvy.Art. Battalion
18th Medium Field Artillery Regiment
Defending units:
2nd KNIL Regiment
Marinier Battalion
1st Regt Cavalerie
6th KNIL Regiment
Tjilatjap KNIL Battalion
Barisan KNIL Regiment
1st KNIL Regiment
Prajoda Garrison Battalion
KNIL Army Command
North Java Base Force
Tjilitap Base Force
ML-KNIL
3rd KNIL AA Battalion
1st KNIL AA Battalion
ABDA
Bandoeng Base Force