昭和17年5月22日、オーストラリア東岸ニューキャッスル沖でI-170がDE Hatfieldを雷撃して撃沈しました。日本の潜水艦がASW TFの艦艇、それも駆逐艦に魚雷を命中させるのは珍しいことです。
今日のメインイベントは夜が明けて、ポートモレスビーからラバウルへ24機のB-17Eの爆撃でした。ラバウルにはレーダーがあります。”Raid detected at 35 NM, estimated altitude 9,000 feet. Estimated time to target is 10 minutes”と報告されていて、レーダーで探知できたのはたしかで、また高度も実際には7000フィートだったのでまあまあ正しい報告です。ただし、敵機来襲まで10分では目視による探知とあまり変わらず、この時期の日本のレーダーはまだまだ役に立たない感じですね。
まとまった数のB-17Eの昼間の爆撃にCAPが正面切って挑んだのはこのゲームではこれが初めてだと思うので、早送りせずリプレイを見てみました。CAPのゼロ戦もかなりの数が損傷し、また合計で3機が撃墜されていますが、B-17Eにもそれなりにダメージを与えていました。見ながら気になったのが、アニメ画面の報告文の冒頭にあるアステリスクです。コンバットアニメでアステリスクが5個も並んでいるのは珍しいと感じたのです。
このアステリスクは何を意味しているのでしょうか？このゲームには厚さが15mmほどの立派なマニュアルが付属していますが、その分厚いマニュアルにも記載されていない事項がたくさんあります。このアステリスクもその一つです。アステリスクはゲーム中のいろんなところで使用されていますが、これと似たタイプは対潜艦艇が爆雷攻撃している時のアニメで、爆雷がnear missしたという報告文の冒頭に付されているのをよくみかけます。対潜戦闘のアステリスクの意味についてもマニュアルには記載がなかったと思いますが、付されたアステリスクの数は爆雷と敵潜水艦との距離を表している、近いほどアステリスクの数が多いんだという発言をどこかのスレで読んだ記憶があります。コンバットアニメを何度もみた経験から、これはたしかにそうらしいと私も感じています。ただ、爆雷戦で付されるアステリスクの数は1~4個で5個はみた記憶がありません。
空戦のアステリスクは、機関砲弾が敵機の機体のどのくらい近くで炸裂したということでしょうか？そうだとすると、この5個のアステリスクをもっと頻繁にみかけてもいいような気がします。1~3個はよくみかけますが、5個はね。そこで私が想像したのは、このアステリスクの数は敵機に与えたダメージの大きさなのではということです。戦闘機どうしの戦闘や、日本の爆撃機が連合軍戦闘機に攻撃される戦闘では、被攻撃機のdurabilityが低いので、アステリスクを5個も表示するダメージだと、damagedではなく、一発でdestroyedになってしまう。それに対して、四発爆撃機は丈夫なので、20mm機関砲弾がもっとも効果的に命中・炸裂した場合でもdamagedで済むので5個のアステリスクが付されることがあるのかなと。どうでしょうかね。
今回のラバウル空襲ではCAPのA6M2にA2Aで3機、Ops lossで4機の損失を受けました。ただ、味方飛行場の上空での戦闘だったので、パイロットの死傷者数はKIA 3名、WIA 1名の合計3名で済みました。相手のB-17Eの今日の損失機数は9機と報告されていますから、来襲した24機の37%ほどになり、CAPが健闘した戦いだったと言えると思います。flakで一機落ちているのは、CAPがダメージを与えた機体に高射砲弾が命中して合わせ技で落ちたんでしょう、きっと。しかし、それにしても、激しい迎撃を受けながらAirbase hits 7、Airbase supply hits 2、Runway hits 29としっかり飛行場に命中弾を残してゆくのが四発爆撃機の怖ろしいところ。地味に痛いのが地上にあった機体の損失で、合計13機も破壊されてしまいました。engineerによる修理作業後でも飛行場には整備施設に14、滑走路に15のダメージが残っています。この規模の空襲を連日続ける体力が連合軍にあれば、早晩ラバウルも引き払わなければならないほどの空襲被害です。でも、まだ昭和17年5月ですから、一回にこれだけの四発爆撃機の損失を出す空襲を休まずに続けることはできなかろうと期待したいところです。かえって3－4日おきなら、こういった空襲を続けてもらった方がB-17を撃墜できるので、夜間の嫌がらせ空襲をされるよりはありがたいと感じます。
ルソン島以外のフィリピン平定はだいぶ前に済んだのですが、ルソン島だけはクラークフィールドとバターンに連合軍側の根拠地が残っています。今日は何度目かになるクラークフィールドでの総攻撃を行いましたが、修正AVが日本側853対連合軍側925と跳ね返されてしまいました。できれば5月中にはクラークフィールドを落として、6月中には全フィリピンの解放を宣言したいところです。
AFTER ACTION REPORTS FOR May 22, 42
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Sub attack near Truk at 111,108
Japanese Ships
xAK Natisan Maru
xAK Asahisan Maru
PB Nako Maru #2
Allied Ships
SS Flying Fish
SS Flying Fish launches 2 torpedoes at xAK Natisan Maru
Flying Fish diving deep ....
PB Nako Maru #2 fails to find sub, continues to search...
PB Nako Maru #2 fails to find sub, continues to search...
PB Nako Maru #2 fails to find sub, continues to search...
PB Nako Maru #2 fails to find sub, continues to search...
PB Nako Maru #2 fails to find sub, continues to search...
Escort abandons search for sub
--------------------------------------------------------------------------------
Sub attack near Newcastle at 94,165
Japanese Ships
SS I-170
Allied Ships
DE Hatfield, Torpedo hits 1, on fire, heavy damage
SS I-170 launches 2 torpedoes
I-170 diving deep ....
Sub escapes detection
--------------------------------------------------------------------------------
Night Air attack on Mandalay , at 59,46
Weather in hex: Overcast
Raid detected at 40 NM, estimated altitude 12,000 feet.
Estimated time to target is 13 minutes
Allied aircraft
Blenheim IV x 17
Hudson IIIa x 6
No Allied losses
Aircraft Attacking:
3 x Blenheim IV bombing from 6000 feet *
Airfield Attack: 2 x 250 lb GP Bomb
3 x Blenheim IV bombing from 6000 feet *
Airfield Attack: 2 x 250 lb GP Bomb
3 x Blenheim IV bombing from 6000 feet *
Airfield Attack: 2 x 250 lb GP Bomb
5 x Blenheim IV bombing from 6000 feet *
Airfield Attack: 2 x 250 lb GP Bomb
3 x Blenheim IV bombing from 6000 feet *
Airfield Attack: 2 x 250 lb GP Bomb
6 x Hudson IIIa bombing from 6000 feet
Airfield Attack: 4 x 250 lb GP Bomb
--------------------------------------------------------------------------------
Sub attack near Langkawi at 48,72
Japanese Ships
PB Santos Maru
Allied Ships
SS O23
SS O23 launches 2 torpedoes at PB Santos Maru
PB Santos Maru fails to find sub, continues to search...
PB Santos Maru fails to find sub, continues to search...
PB Santos Maru fails to find sub, continues to search...
PB Santos Maru fails to find sub, continues to search...
PB Santos Maru fails to find sub, continues to search...
Escort abandons search for sub
--------------------------------------------------------------------------------
Morning Air attack on Shwebo , at 59,45
Weather in hex: Light cloud
Raid detected at 26 NM, estimated altitude 25,000 feet.
Estimated time to target is 9 minutes
Allied aircraft
P-40E Warhawk x 16
No Allied losses
Aircraft Attacking:
16 x P-40E Warhawk sweeping at 20000 feet *
--------------------------------------------------------------------------------
Morning Air attack on Shwebo , at 59,45
Weather in hex: Light cloud
Raid spotted at 46 NM, estimated altitude 23,000 feet.
Estimated time to target is 16 minutes
Allied aircraft
P-40E Warhawk x 20
No Allied losses
Aircraft Attacking:
20 x P-40E Warhawk sweeping at 20000 feet *
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Morning Air attack on Asiatic Fleet , at 79,76 (Clark Field)
Weather in hex: Light rain
Raid detected at 70 NM, estimated altitude 9,000 feet.
Estimated time to target is 20 minutes
Japanese aircraft
Ki-21-IIa Sally x 54
Japanese aircraft losses
Ki-21-IIa Sally: 2 damaged
Allied ground losses:
24 casualties reported
Squads: 0 destroyed, 0 disabled
Non Combat: 0 destroyed, 3 disabled
Engineers: 0 destroyed, 0 disabled
Aircraft Attacking:
25 x Ki-21-IIa Sally bombing from 6000 feet
Ground Attack: 4 x 250 kg GP Bomb
29 x Ki-21-IIa Sally bombing from 6000 feet
Ground Attack: 4 x 250 kg GP Bomb
Also attacking USAFFE ...
Also attacking Asiatic Fleet ...
Also attacking USAFFE ...
Also attacking Asiatic Fleet ...
--------------------------------------------------------------------------------
Morning Air attack on 7th Chinese Corps, at 92,50 (Hwaiyin)
Weather in hex: Heavy rain
Raid spotted at 2 NM, estimated altitude 10,000 feet.
Estimated time to target is 0 minutes
Japanese aircraft
Ki-30 Ann x 5
No Japanese losses
Allied ground losses:
7 casualties reported
Squads: 0 destroyed, 1 disabled
Non Combat: 0 destroyed, 0 disabled
Engineers: 0 destroyed, 0 disabled
Aircraft Attacking:
5 x Ki-30 Ann bombing from 6000 feet
Ground Attack: 1 x 250 kg GP Bomb
--------------------------------------------------------------------------------
Morning Air attack on 18th British Division, at 54,49 , near Prome
Weather in hex: Clear sky
Raid spotted at 19 NM, estimated altitude 8,000 feet.
Estimated time to target is 5 minutes
Japanese aircraft
Ki-21-IIa Sally x 36
Japanese aircraft losses
Ki-21-IIa Sally: 4 damaged
Allied ground losses:
16 casualties reported
Squads: 0 destroyed, 0 disabled
Non Combat: 0 destroyed, 2 disabled
Engineers: 0 destroyed, 0 disabled
Aircraft Attacking:
17 x Ki-21-IIa Sally bombing from 6000 feet
Ground Attack: 4 x 250 kg GP Bomb
19 x Ki-21-IIa Sally bombing from 6000 feet
Ground Attack: 4 x 250 kg GP Bomb
--------------------------------------------------------------------------------
Morning Air attack on 51st Const Co , at 91,128 (Horn Island)
Weather in hex: Partial cloud
Raid spotted at 10 NM, estimated altitude 8,000 feet.
Estimated time to target is 2 minutes
Allied aircraft
B-25C Mitchell x 13
No Allied losses
Japanese ground losses:
50 casualties reported
Squads: 0 destroyed, 1 disabled
Non Combat: 0 destroyed, 5 disabled
Engineers: 0 destroyed, 1 disabled
Aircraft Attacking:
13 x B-25C Mitchell bombing from 6000 feet *
Ground Attack: 3 x 500 lb GP Bomb
Also attacking 44th Naval Guard Unit ...
Also attacking 51st Const Co ...
--------------------------------------------------------------------------------
Morning Air attack on Rabaul , at 106,125
Weather in hex: Partial cloud
Raid detected at 35 NM, estimated altitude 9,000 feet.
Estimated time to target is 10 minutes
Japanese aircraft
A6M2 Zero x 31
Allied aircraft
B-17E Fortress x 24
Japanese aircraft losses
A6M2 Zero: 2 destroyed, 2 damaged
Ki-21-IIa Sally: 2 destroyed on ground
A6M3b Zero: 3 destroyed on ground
G4M1 Betty: 1 destroyed on ground
Ki-43-Ic Oscar: 3 destroyed on ground
Allied aircraft losses
B-17E Fortress: 2 destroyed, 6 damaged
B-17E Fortress: 1 destroyed by flak
Airbase hits 7
Airbase supply hits 2
Runway hits 29
Aircraft Attacking:
4 x B-17E Fortress bombing from 7000 feet
Airfield Attack: 8 x 500 lb GP Bomb
6 x B-17E Fortress bombing from 7000 feet
Airfield Attack: 8 x 500 lb GP Bomb
6 x B-17E Fortress bombing from 7000 feet
Airfield Attack: 8 x 500 lb GP Bomb
6 x B-17E Fortress bombing from 7000 feet
Airfield Attack: 8 x 500 lb GP Bomb
CAP engaged:
Genzan Ku S-1 with A6M2 Zero (1 airborne, 3 on standby, 22 scrambling)
1 plane(s) intercepting now.
Group patrol altitude is 15000 , scrambling fighters between 3000 and 15000.
Time for all group planes to reach interception is 32 minutes
1st Ku S-1 with A6M2 Zero (1 airborne, 4 on standby, 0 scrambling)
1 plane(s) intercepting now.
Group patrol altitude is 15000 , scrambling fighters to 3000.
Time for all group planes to reach interception is 6 minutes
--------------------------------------------------------------------------------
Sub attack near Port Moresby at 97,131
Japanese Ships
SS I-169
Allied Ships
ACM Obstructor
Captain of SS I-169 elects not to launch torpedoes at this target
--------------------------------------------------------------------------------
Ground combat at Kweilin (76,54)
Japanese Bombardment attack
Attacking force 24133 troops, 206 guns, 84 vehicles, Assault Value = 816
Defending force 57686 troops, 402 guns, 0 vehicles, Assault Value = 1989
Allied ground losses:
7 casualties reported
Squads: 0 destroyed, 1 disabled
Non Combat: 0 destroyed, 0 disabled
Engineers: 0 destroyed, 0 disabled
Assaulting units:
17th Division
104th Division
51st Engineer Regiment
Defending units:
49th Chinese Corps
2nd Reserve Division
21st Chinese Corps
2nd Prov Chinese Corps
69th Chinese Corps
62nd Chinese Corps
15th Chinese Corps
12th Chinese Corps
54th Chinese Corps
50th Chinese Corps
64th Chinese Corps
6th Chinese Corps
2nd Chinese Base Force
10th Group Army
16th Group Army
3rd War Area
57th AT Gun Regiment
--------------------------------------------------------------------------------
Ground combat at 79,55 (near Hengyang)
Japanese Bombardment attack
Attacking force 12749 troops, 102 guns, 0 vehicles, Assault Value = 458
Defending force 24034 troops, 115 guns, 0 vehicles, Assault Value = 650
Japanese ground losses:
5 casualties reported
Squads: 0 destroyed, 1 disabled
Non Combat: 0 destroyed, 0 disabled
Engineers: 0 destroyed, 0 disabled
Allied ground losses:
29 casualties reported
Squads: 0 destroyed, 5 disabled
Non Combat: 0 destroyed, 0 disabled
Engineers: 0 destroyed, 0 disabled
Assaulting units:
116th Division
Defending units:
70th Chinese Corps
63rd Chinese Corps
86th Chinese Corps
28th Chinese Corps
32nd Group Army
12th Group Army
11th Chinese Base Force
7th War Area
16th Construction Regiment
--------------------------------------------------------------------------------
Ground combat at Nanyang (85,45)
Japanese Bombardment attack
Attacking force 40164 troops, 455 guns, 214 vehicles, Assault Value = 2128
Defending force 180148 troops, 896 guns, 0 vehicles, Assault Value = 4924
Allied ground losses:
71 casualties reported
Squads: 1 destroyed, 9 disabled
Non Combat: 0 destroyed, 0 disabled
Engineers: 0 destroyed, 0 disabled
Assaulting units:
36th Division
37th Division
110th Division
35th Division
32nd Division
10th Ind. Mountain Gun Regiment
20th Ind. Mtn Gun Battalion
6th Medium Field Artillery Regiment
Botanko Hvy Gun Regiment
3rd Ind.Hvy.Art. Battalion
2nd Ind.Hvy.Art. Battalion
12th Army
11th Field Artillery Regiment
Defending units:
92nd Chinese Corps
23rd Chinese Corps
47th Chinese Corps
1st Chinese Corps
41st Chinese Corps
30th Chinese Corps
33rd Chinese Corps
16th Chinese Corps
34th Separate Brigade
17th Chinese Corps
96th Chinese Corps
19th Chinese Corps
76th Chinese Corps
3rd Chinese Corps
43rd Chinese Corps
8th Route Army
82nd Chinese Corps
61st Chinese Corps
36th Chinese Corps
77th Chinese Corps
55th Chinese Corps
42nd Chinese Corps
34th Chinese Corps
57th Chinese Corps
90th Chinese Corps
4th Chinese Cavalry Corps
8th Group Army
22nd Group Army
2nd Group Army
7th Group Army
19th Chinese Base Force
5th War Area
18th Group Army
4th Group Army
Red Chinese Army
34th Group Army
6th Group Army
4th Construction Regiment
--------------------------------------------------------------------------------
Ground combat at Clark Field (79,76)
Japanese Deliberate attack
Attacking force 39064 troops, 467 guns, 383 vehicles, Assault Value = 1275
Defending force 35240 troops, 372 guns, 572 vehicles, Assault Value = 391
Japanese engineers reduce fortifications to 0
Japanese adjusted assault: 853
Allied adjusted defense: 925
Japanese assault odds: 1 to 2 (fort level 0)
Combat modifiers
Defender: terrain(+), leaders(+), experience(-)
Attacker:
Japanese ground losses:
1651 casualties reported
Squads: 7 destroyed, 180 disabled
Non Combat: 0 destroyed, 19 disabled
Engineers: 1 destroyed, 19 disabled
Vehicles lost 27 (2 destroyed, 25 disabled)
Allied ground losses:
692 casualties reported
Squads: 78 destroyed, 23 disabled
Non Combat: 4 destroyed, 29 disabled
Engineers: 0 destroyed, 3 disabled
Guns lost 19 (11 destroyed, 8 disabled)
Vehicles lost 23 (6 destroyed, 17 disabled)
Assaulting units:
20th Infantry Regiment
16th Recon Regiment
4th Tank Regiment
48th Division
16th Engineer Regiment
4th Division
143rd Infantry Regiment
7th Tank Regiment
2nd Ind.Art.Mortar Battalion
9th Ind.Hvy.Art. Battalion
1st Medium Field Artillery Regiment
8th Medium Field Artillery Regiment
14th Army
56th Field Artillery Regiment
15th Ind.Art.Mortar Battalion
3rd Medium Field Artillery Regiment
Defending units:
31st PA Infantry Division
11th PA Infantry Division
194th Tank Battalion
51st PA Infantry Division
91st PA Infantry Division
71st PA Infantry Division
21st PA Infantry Division
41st PA Infantry Division
192nd Tank Battalion
4th Marine Regiment
57th PS Infantry Regimental Combat Team
Clark Field USAAF Base Force
1st PA Constabulary Regiment
Far East USAAF
301st Construction Battalion
Manila USAAF Base Force
200th & 515th Coast AA Regiment
31st Infantry Regiment
Cavite USN Base Force
Asiatic Fleet
26th PS Cavalry Regiment
1st PI Base Force
Subic Bay Defenses
PAF Aviation
Provisional GMC Grp
14th PS Engineer Regiment
88th PS Field Artillery Regiment
II Philippine Corps Corps
2nd PA Constabulary Regiment
USAFFE
I Philippine Corps Corps
301st PA Field Artillery Regiment
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