2012年8月13日月曜日

ホーランディアに大規模な空襲

昭和17年9月14日、ソロモン、ニューギニア戦線ではホーランディアとショートランドに空襲がありました。ホーランディアにはポートモレスビーから3波105機、うちB-17E、B-17F、B-24Dの四発爆撃機が81機と大規模な空襲でした。33機のゼロ戦(A6M3b)が迎撃しましたが、第一波のB-25C Mitchell 16機とHudson III (LR) 8機、合計24機のうち22機を撃墜して楽勝じゃんと思っていたのですが、甘かった。この迎撃で息切れしてしまい、その後2波の四発爆撃機を迎撃できたゼロ戦は18機、4機と数が減ってしまい、ホーランディア飛行場への爆撃を阻止することはできませんでした。各機種あわせて地上で13機が破壊され、今朝も飛行場サービス施設に29、滑走路に36のダメージが残っていました。爆撃による地上破壊はなんとも困ったもんです。ちゃんと掩体を築いたり、分散したりしてるのかしらん。

ホーランディアにはゼロ戦の飛行隊を3つ配置してありました。CAPを指示してあったのはそのうちの一つだけで、残りの2つにはニューギニア南岸のMeraukeへのsweepと、Merauke爆撃に向かう九七重爆の護衛を指示してありました。Meraukeを8月27日に占領されてから、ホーランディア配置の飛行隊には数日間の休養を指示し、その後、Merauke飛行場のsweepと爆撃を指示してあったのですが、悪天候のせいで出撃できない日が続いていました。ようやく今日は九七重爆24機が爆撃に向かい、Airbase hits 6、Airbase supply hits 14、Runway hits 16の戦果をあげました。サプライへの命中が多いのは、連合軍がMeraukeを飛行場として拡張するためにかなりサプライを持ち込んでいたからでしょうね。まだMerauke飛行場には連合軍機はいなかったので、sweepのゼロ戦はホーランディアでCAPさせておけば良かったと感じました。

次のターンに向けて、今日sweepや護衛に飛んだゼロ戦もホーランディアのCAPに振り向けておきました。はたして2ターン連続でやって来るのかどうか。今日は四発爆撃機の方にはほとんど被害がなかったので、来る可能性大かなと思います。もう一度、今日の規模の爆撃を繰り返されると、ホーランディア飛行場は機能停止なので、なんとか防がないと。今日はショートランドにも33機が来襲しましたが、こちらは一発も命中弾がありませんでした。

今日はビルマ戦線でも四発機21機と双発機15機による爆撃がビルマ東部のラシオにありました。ラシオには飛行機を配置していないので地上での破壊はなしでしたが、飛行場サービス施設に12と滑走路に15のダメージを受けました。連合軍は、いまのところ日本側が航空優勢を維持している印緬国境近くの飛行場には飛行機を配置していません。今日の爆撃もはるばるカルカッタからでした。カルカッタには戦闘機37機、爆撃機24機の他にauxilary 122機の存在が報告されています。このauxilary 122機とは何ぞや。3ヶ月ほど前のAux planes on a CVEというスレでwdolsonさん(WitP AE開発者でテストチームのリーダー)が
根拠地とTFに表示される"auxiliary"な飛行機というのは、FoWが影響している。"auxiliary"な飛行機は、輸送機、水上機、偵察機など、たぶん戦闘機でも爆撃機でもないと思われるものをさしている。FoWをオフにする設定でも、根拠地の情報を覗くと"auxiliary"な飛行機が表示される。
と答えていました。でも、輸送機や偵察機が122機もいるのは多すぎる感じ。おそらく、戦闘機とも爆撃機とも識別できなかったものはすべて"auxiliary"な飛行機に含まれているのかなと想像します。また、修理中の機体も"auxiliary"な飛行機に含まれるとどこかで読んだことがあるような気がするのですが、どこでだったか憶い出せません。


AFTER ACTION REPORTS FOR Sep 14, 42
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TF 315 encounters mine field at 49,90

Japanese Ships
      SC Ch 23
      SC Ch 20
      SC Ch 14



6 mines cleared


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TF 286 encounters mine field at 49,90

Japanese Ships
      DMS W-11
      DMS W-8



7 mines cleared


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ASW attack near Fraser Island  at 98,156

Japanese Ships
      SS I-170, hits 2

Allied Ships
      DD Aaron Ward



SS I-170 is sighted by escort
DD Aaron Ward fails to find sub, continues to search...
DD Aaron Ward fails to find sub, continues to search...
DD Aaron Ward fails to find sub, continues to search...
DD Aaron Ward attacking submerged sub ....
DD Aaron Ward fails to find sub, continues to search...
Escort abandons search for sub


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Morning Air attack on Chittagong , at 55,41 

Weather in hex: Heavy rain

Raid detected at 46 NM, estimated altitude 31,000 feet.
Estimated time to target is 12 minutes

Japanese aircraft
      Ki-44-IIa Tojo x 26



No Japanese losses



Aircraft Attacking:
      26 x Ki-44-IIa Tojo sweeping at 25000 feet * 



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Morning Air attack on Merauke , at 89,124 

Weather in hex: Partial cloud

Raid spotted at 18 NM, estimated altitude 23,000 feet.
Estimated time to target is 4 minutes

Japanese aircraft
      A6M3b Zero x 3



No Japanese losses



Aircraft Attacking:
       3 x A6M3b Zero sweeping at 20000 feet



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Morning Air attack on 80th Chinese Corps, at 74,54 , near Liuchow

Weather in hex: Light cloud

Raid spotted at 29 NM, estimated altitude 7,000 feet.
Estimated time to target is 9 minutes

Japanese aircraft
      Ki-21-IIa Sally x 38
      Ki-43-Ic Oscar x 8
      Ki-49-IIa Helen x 17



Japanese aircraft losses
      Ki-21-IIa Sally: 1 damaged


Allied ground losses:
      361 casualties reported
         Squads: 2 destroyed, 23 disabled
         Non Combat: 1 destroyed, 24 disabled
         Engineers: 0 destroyed, 0 disabled
      Guns lost 2 (1 destroyed, 1 disabled)


Aircraft Attacking:
      17 x Ki-49-IIa Helen bombing from 6000 feet
               Ground Attack:  4 x 250 kg GP Bomb
      22 x Ki-21-IIa Sally bombing from 6000 feet
               Ground Attack:  4 x 250 kg GP Bomb
      16 x Ki-21-IIa Sally bombing from 6000 feet
               Ground Attack:  4 x 250 kg GP Bomb



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Morning Air attack on Chittagong , at 55,41 

Weather in hex: Heavy rain

Raid detected at 113 NM, estimated altitude 14,000 feet.
Estimated time to target is 35 minutes

Japanese aircraft
      Ki-43-Ic Oscar x 15
      Ki-49-IIa Helen x 59



Japanese aircraft losses
      Ki-49-IIa Helen: 14 damaged



Airbase hits 3
Runway hits 15

Aircraft Attacking:
      19 x Ki-49-IIa Helen bombing from 11000 feet
               Airfield Attack:  4 x 250 kg GP Bomb
      19 x Ki-49-IIa Helen bombing from 11000 feet
               Airfield Attack:  4 x 250 kg GP Bomb
      21 x Ki-49-IIa Helen bombing from 11000 feet
               Airfield Attack:  4 x 250 kg GP Bomb



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Morning Air attack on Merauke , at 89,124 

Weather in hex: Partial cloud

Raid spotted at 37 NM, estimated altitude 6,000 feet.
Estimated time to target is 10 minutes

Japanese aircraft
      A6M2 Zero x 22
      Ki-21-IIa Sally x 24



Japanese aircraft losses
      Ki-21-IIa Sally: 11 damaged
      Ki-21-IIa Sally: 1 destroyed by flak


Allied ground losses:
      12 casualties reported
         Squads: 0 destroyed, 0 disabled
         Non Combat: 0 destroyed, 2 disabled
         Engineers: 0 destroyed, 0 disabled


Airbase hits 6
Airbase supply hits 14
Runway hits 16

Aircraft Attacking:
      23 x Ki-21-IIa Sally bombing from 6000 feet
               Airfield Attack:  4 x 250 kg GP Bomb



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Morning Air attack on 31st Group Army, at 89,47 , near Kweiteh

Weather in hex: Overcast

Raid spotted at 11 NM, estimated altitude 9,000 feet.
Estimated time to target is 3 minutes

Japanese aircraft
      Ki-30 Ann x 17



No Japanese losses


Allied ground losses:
      22 casualties reported
         Squads: 0 destroyed, 0 disabled
         Non Combat: 0 destroyed, 3 disabled
         Engineers: 0 destroyed, 0 disabled


Aircraft Attacking:
      17 x Ki-30 Ann bombing from 6000 feet
               Ground Attack:  1 x 250 kg GP Bomb

Also attacking Lusu War Area  ...
Also attacking 31st Group Army ...
Also attacking Lusu War Area  ...
Also attacking 31st Group Army ...


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Morning Air attack on Chittagong , at 55,41 

Weather in hex: Heavy rain

Raid detected at 50 NM, estimated altitude 14,000 feet.
Estimated time to target is 15 minutes

Japanese aircraft
      Ki-43-Ic Oscar x 15
      Ki-49-IIa Helen x 19



Japanese aircraft losses
      Ki-49-IIa Helen: 9 damaged


Allied ground losses:
      6 casualties reported
         Squads: 0 destroyed, 0 disabled
         Non Combat: 0 destroyed, 1 disabled
         Engineers: 0 destroyed, 0 disabled


Airbase hits 1
Airbase supply hits 1
Runway hits 7

Aircraft Attacking:
      19 x Ki-49-IIa Helen bombing from 11000 feet
               Airfield Attack:  4 x 250 kg GP Bomb



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Morning Air attack on Shortlands , at 109,131 

Weather in hex: Moderate rain

Raid spotted at 15 NM, estimated altitude 11,000 feet.
Estimated time to target is 5 minutes


Allied aircraft
      Mitchell II x 6
      Bolingbroke IV x 12


No Allied losses



Aircraft Attacking:
      12 x Bolingbroke IV bombing from 7000 feet * 
               Port Attack:  2 x 250 lb GP Bomb
       6 x Mitchell II bombing from 3000 feet
               Port Attack:  6 x 500 lb GP Bomb



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Morning Air attack on Hollandia , at 93,116 

Weather in hex: Clear sky

Raid detected at 77 NM, estimated altitude 12,000 feet.
Estimated time to target is 25 minutes

Japanese aircraft
      A6M3b Zero x 33



Allied aircraft
      B-25C Mitchell x 16
      Hudson III (LR) x 8


No Japanese losses

Allied aircraft losses
      B-25C Mitchell: 9 destroyed
      Hudson III (LR): 4 destroyed, 1 damaged



Runway hits 1

Aircraft Attacking:
       1 x Hudson III (LR) bombing from 7000 feet * 
               Airfield Attack:  2 x 250 lb GP Bomb

CAP engaged:
Chitose Ku S-1 with A6M3b Zero (0 airborne, 5 on standby, 26 scrambling)
      2 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
      Group patrol altitude is 10000 , scrambling fighters between 3000 and 10000.
      Time for all group planes to reach interception is 32 minutes



--------------------------------------------------------------------------------
Morning Air attack on Hollandia , at 93,116 

Weather in hex: Clear sky

Raid detected at 77 NM, estimated altitude 14,000 feet.
Estimated time to target is 26 minutes

Japanese aircraft
      A6M3b Zero x 18



Allied aircraft
      B-17E Fortress x 27
      B-17F Fortress x 24
      B-24D Liberator x 21


Japanese aircraft losses
      A6M3b Zero: 1 destroyed, 11 damaged
      A6M3b Zero: 1 destroyed on ground
      Ki-21-IIa Sally: 2 destroyed on ground
      A6M2 Zero: 2 destroyed on ground
      Ki-46-II Dinah: 3 destroyed on ground

Allied aircraft losses
      B-17E Fortress: 2 damaged
      B-17F Fortress: 4 damaged
      B-24D Liberator: 4 damaged

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



Airbase hits 8
Airbase supply hits 4
Runway hits 15

Aircraft Attacking:
      12 x B-17F Fortress bombing from 10000 feet * 
               Airfield Attack:  4 x 500 lb GP Bomb
      12 x B-17F Fortress bombing from 10000 feet * 
               Airfield Attack:  4 x 500 lb GP Bomb
      12 x B-17E Fortress bombing from 10000 feet
               Airfield Attack:  8 x 500 lb GP Bomb
      12 x B-17E Fortress bombing from 10000 feet
               Airfield Attack:  8 x 500 lb GP Bomb
       3 x B-17E Fortress bombing from 10000 feet
               Airfield Attack:  8 x 500 lb GP Bomb
      11 x B-24D Liberator bombing from 10000 feet
               Airfield Attack: 10 x 500 lb GP Bomb
      10 x B-24D Liberator bombing from 10000 feet
               Airfield Attack: 10 x 500 lb GP Bomb

CAP engaged:
Chitose Ku S-1 with A6M3b Zero (0 airborne, 0 on standby, 0 scrambling)
      18 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
      Group patrol altitude is 10000 , scrambling fighters to 7000.
      Time for all group planes to reach interception is 28 minutes



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Morning Air attack on Lashio , at 62,46 

Weather in hex: Clear sky

Raid detected at 24 NM, estimated altitude 11,000 feet.
Estimated time to target is 9 minutes


Allied aircraft
      Wellington Ic x 6
      LB-30 Liberator x 3


No Allied losses

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



Airbase hits 5
Runway hits 21

Aircraft Attacking:
       6 x Wellington Ic bombing from 7000 feet * 
               Airfield Attack:  4 x 500 lb GP Bomb
       3 x LB-30 Liberator bombing from 7000 feet
               Airfield Attack:  8 x 500 lb GP Bomb



--------------------------------------------------------------------------------
Morning Air attack on Lashio , at 62,46 

Weather in hex: Clear sky

Raid detected at 39 NM, estimated altitude 10,000 feet.
Estimated time to target is 11 minutes


Allied aircraft
      B-17E Fortress x 12
      B-25C Mitchell x 15


No Allied losses



Airbase hits 2
Runway hits 12

Aircraft Attacking:
       9 x B-25C Mitchell bombing from 7000 feet * 
               Airfield Attack:  3 x 500 lb GP Bomb
       6 x B-25C Mitchell bombing from 7000 feet * 
               Airfield Attack:  3 x 500 lb GP Bomb
      12 x B-17E Fortress bombing from 7000 feet
               Airfield Attack:  8 x 500 lb GP Bomb



--------------------------------------------------------------------------------
Morning Air attack on Shortlands , at 109,131 

Weather in hex: Moderate rain

Raid spotted at 18 NM, estimated altitude 6,000 feet.
Estimated time to target is 5 minutes


Allied aircraft
      B-25C Mitchell x 6


No Allied losses



Aircraft Attacking:
       6 x B-25C Mitchell bombing from 3000 feet
               Port Attack:  6 x 500 lb GP Bomb



--------------------------------------------------------------------------------
Morning Air attack on Shortlands , at 109,131 

Weather in hex: Moderate rain

Raid spotted at 18 NM, estimated altitude 7,000 feet.
Estimated time to target is 5 minutes


Allied aircraft
      B-25C Mitchell x 6


Allied aircraft losses
      B-25C Mitchell: 1 damaged
      B-25C Mitchell: 1 destroyed by flak



Aircraft Attacking:
       6 x B-25C Mitchell bombing from 1000 feet
               Port Attack:  3 x 500 lb GP Bomb



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Morning Air attack on Hollandia , at 93,116 

Weather in hex: Clear sky

Raid detected at 69 NM, estimated altitude 14,000 feet.
Estimated time to target is 21 minutes

Japanese aircraft
      A6M3b Zero x 4



Allied aircraft
      B-17E Fortress x 9


Japanese aircraft losses
      A6M3b Zero: 2 damaged
      Ki-21-IIa Sally: 1 destroyed on ground

Allied aircraft losses
      B-17E Fortress: 1 damaged



Airbase hits 5
Airbase supply hits 1
Runway hits 12

Aircraft Attacking:
       9 x B-17E Fortress bombing from 10000 feet
               Airfield Attack:  8 x 500 lb GP Bomb

CAP engaged:
Chitose Ku S-1 with A6M3b Zero (1 airborne, 0 on standby, 0 scrambling)
      1 plane(s) intercepting now.
      3 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
      Group patrol altitude is 10000 , scrambling fighters to 10000.
      Time for all group planes to reach interception is 47 minutes



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Morning Air attack on Shortlands , at 109,131 

Weather in hex: Moderate rain

Raid spotted at 11 NM, estimated altitude 2,000 feet.
Estimated time to target is 3 minutes


Allied aircraft
      B-25C Mitchell x 3


No Allied losses



Aircraft Attacking:
       3 x B-25C Mitchell bombing from 1000 feet
               Port Attack:  3 x 500 lb GP Bomb



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Morning Air attack on Merauke , at 89,124 

Weather in hex: Partial cloud

Raid spotted at 13 NM, estimated altitude 25,000 feet.
Estimated time to target is 3 minutes

Japanese aircraft
      A6M3b Zero x 24



No Japanese losses



Aircraft Attacking:
      24 x A6M3b Zero sweeping at 20000 feet



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Afternoon Air attack on NW Australia Base Force, at 76,132 , near Daly Waters

Weather in hex: Light cloud

Raid spotted at 12 NM, estimated altitude 10,000 feet.
Estimated time to target is 3 minutes

Japanese aircraft
      G4M1 Betty x 13
      Ki-43-Ic Oscar x 24



No Japanese losses


Allied ground losses:
      29 casualties reported
         Squads: 0 destroyed, 0 disabled
         Non Combat: 0 destroyed, 4 disabled
         Engineers: 0 destroyed, 0 disabled


Aircraft Attacking:
      13 x G4M1 Betty bombing from 9000 feet
               Ground Attack:  2 x 250 kg GP Bomb,  4 x 60 kg GP Bomb



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Afternoon Air attack on Akyab , at 54,45 

Weather in hex: Moderate rain

Raid spotted at 16 NM, estimated altitude 13,000 feet.
Estimated time to target is 4 minutes

Japanese aircraft
      Ki-49-IIa Helen x 27



No Japanese losses



Airbase supply hits 1
Runway hits 4

Aircraft Attacking:
      27 x Ki-49-IIa Helen bombing from 9000 feet
               Airfield Attack:  4 x 250 kg GP Bomb



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Ground combat at Nanyang (85,45)

Japanese Bombardment attack

Attacking force 61959 troops, 605 guns, 246 vehicles, Assault Value = 2183

Defending force 181020 troops, 756 guns, 0 vehicles, Assault Value = 5450

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


Allied ground losses:
      90 casualties reported
         Squads: 1 destroyed, 8 disabled
         Non Combat: 0 destroyed, 0 disabled
         Engineers: 0 destroyed, 0 disabled


Assaulting units:
    35th Division
    70th Division
    110th Division
    36th Division
    32nd Division
    3rd Ind.Hvy.Art. Battalion
    Botanko Hvy Gun Regiment
    10th Ind. Mountain Gun Regiment
    20th Ind. Mtn Gun Battalion
    6th Medium Field Artillery Regiment
    2nd Ind.Hvy.Art. Battalion
    12th Army
    11th Field Artillery Regiment

Defending units:
    47th Chinese Corps
    82nd Chinese Corps
    57th Chinese Corps
    92nd Chinese Corps
    41st Chinese Corps
    36th Chinese Corps
    34th Chinese Corps
    91st Chinese Corps
    90th Chinese Corps
    16th Chinese Corps
    3rd Chinese Corps
    33rd Chinese Corps
    61st Chinese Corps
    17th Chinese Corps
    76th Chinese Corps
    55th Chinese Corps
    23rd Chinese Corps
    30th Chinese Corps
    19th Chinese Corps
    77th Chinese Corps
    1st Chinese Corps
    4th Chinese Cavalry Corps
    6th Group Army
    8th Group Army
    Red Chinese Army
    34th Group Army
    4th Group Army
    7th Group Army
    22nd Group Army
    5th War Area 
    2nd War Area 
    2nd Group Army
    19th Chinese Base Force


--------------------------------------------------------------------------------

Ground combat at 81,56 (near Kanhsien)

Japanese Deliberate attack

Attacking force 1104 troops, 4 guns, 0 vehicles, Assault Value = 180

Defending force 7860 troops, 0 guns, 0 vehicles, Assault Value = 6

Japanese adjusted assault: 10 

Allied adjusted defense: 25 

Japanese assault odds: 1 to 2 

Combat modifiers
Defender: terrain(+), disruption(-), fatigue(-), supply(-)
Attacker: 

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


Allied ground losses:
      56 casualties reported
         Squads: 0 destroyed, 0 disabled
         Non Combat: 0 destroyed, 10 disabled
         Engineers: 0 destroyed, 0 disabled


Assaulting units:
    11th Indpt Infantry Regiment
    8th NCPC Infantry Brigade

Defending units:
    12th Group Army
    70th Chinese Corps
    7th War Area 
    28th Chinese Corps
    63rd Chinese Corps
    86th Chinese Corps



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