AFTER ACTION REPORTS FOR May 01, 42
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ASW attack near Palembang  at 49,90
 
Japanese Ships
      PB Aso Maru #7
      PB Nako Maru #2
 
Allied Ships
      SS KIX, hits 5
 
SS KIX is located by PB Aso Maru #7
PB Nako Maru #2 attacking submerged sub ....
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 attacking submerged sub ....
PB Nako Maru #2 is out of ASW ammo
PB Nako Maru #2 fails to find sub, continues to search...
Escort abandons search for sub
 
 
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Pre-Invasion action off Koepang (68,116)
 
8 Coastal gun shots fired in defense.
 
Japanese Ships
      DD Tatsukaze
 
Japanese ground losses:
      8 casualties reported
         Squads: 0 destroyed, 1 disabled
         Non Combat: 0 destroyed, 0 disabled
         Engineers: 0 destroyed, 0 disabled
 
DD Tatsukaze firing at Dili Detachment 
Defensive Guns fire at approaching troops in landing craft at 4,000 yards
Defensive Guns fire at approaching troops in landing craft at 1,000 yards
 
 
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Amphibious Assault at Koepang (68,116)
 
TF 49 troops unloading over beach at Koepang, 68,116
 
Japanese ground losses:
      21 casualties reported
         Squads: 0 destroyed, 4 disabled
         Non Combat: 0 destroyed, 0 disabled
         Engineers: 0 destroyed, 0 disabled
      Guns lost 2 (0 destroyed, 2 disabled)
 
 
 
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Pre-Invasion action off Koepang (68,116)
 
8 Coastal gun shots fired in defense.
 
Japanese Ships
      DD Mike Solli
 
DD Mike Solli firing at Dili Detachment 
DD Mike Solli fired at enemy troops
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
 
 
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Amphibious Assault at Koepang (68,116)
 
TF 185 troops unloading over beach at Koepang, 68,116
 
Japanese ground losses:
      36 casualties reported
         Squads: 0 destroyed, 6 disabled
         Non Combat: 0 destroyed, 0 disabled
         Engineers: 0 destroyed, 0 disabled
      Guns lost 2 (0 destroyed, 2 disabled)
 
 
 
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Morning Air attack on 11th Army, at 81,53 , near Changsha
 
Weather in hex: Severe storms
 
Raid spotted at 42 NM, estimated altitude 17,000 feet.
Estimated time to target is 15 minutes
 
Japanese aircraft
      Ki-27b Nate x 29
 
Allied aircraft
      P-40B Warhawk x 24
 
Japanese aircraft losses
      Ki-27b Nate: 7 destroyed
 
No Allied losses
 
Aircraft Attacking:
       6 x P-40B Warhawk sweeping at 14000 feet
 
CAP engaged:
54th Sentai with Ki-27b Nate (0 airborne, 0 on standby, 0 scrambling)
      (29 plane(s) diverted to support CAP in hex.)
      0 plane(s) not yet engaged, 0 being recalled, 29 out of immediate contact.
      Group patrol altitude is 12000 , scrambling fighters between 0 and 12000.
      Time for all group planes to reach interception is 39 minutes
 
 
 
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Morning Air attack on 4th Chinese Corps, at 81,52 (Siangtan)
 
Weather in hex: Light cloud
 
Raid spotted at 13 NM, estimated altitude 8,000 feet.
Estimated time to target is 4 minutes
 
Japanese aircraft
      G3M2 Nell x 6
      G4M1 Betty x 55
 
Japanese aircraft losses
      G3M2 Nell: 1 damaged
      G4M1 Betty: 1 damaged
 
Allied ground losses:
      120 casualties reported
         Squads: 0 destroyed, 17 disabled
         Non Combat: 0 destroyed, 27 disabled
         Engineers: 0 destroyed, 1 disabled
 
Aircraft Attacking:
      31 x G4M1 Betty bombing from 8000 feet
               Ground Attack:  2 x 250 kg GP Bomb,  4 x 60 kg GP Bomb
      24 x G4M1 Betty bombing from 8000 feet
               Ground Attack:  2 x 250 kg GP Bomb,  4 x 60 kg GP Bomb
       6 x G3M2 Nell bombing from 8000 feet
               Ground Attack:  2 x 250 kg GP Bomb,  4 x 60 kg GP Bomb
 
Also attacking 78th Chinese Corps ...
Also attacking 72nd Chinese Corps ...
Also attacking 4th Chinese Corps ...
Also attacking 78th Chinese Corps ...
Also attacking 72nd Chinese Corps ...
Also attacking 4th Chinese Corps ...
 
 
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Morning Air attack on 78th Chinese Corps, at 81,52 (Siangtan)
 
Weather in hex: Light cloud
 
Raid spotted at 7 NM, estimated altitude 11,000 feet.
Estimated time to target is 2 minutes
 
Japanese aircraft
      G3M2 Nell x 24
 
Japanese aircraft losses
      G3M2 Nell: 1 damaged
 
Allied ground losses:
      129 casualties reported
         Squads: 0 destroyed, 2 disabled
         Non Combat: 1 destroyed, 11 disabled
         Engineers: 0 destroyed, 0 disabled
 
Aircraft Attacking:
      24 x G3M2 Nell bombing from 8000 feet
               Ground Attack:  2 x 250 kg GP Bomb,  4 x 60 kg GP Bomb
 
 
 
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Morning Air attack on Bataan , at 78,77 
 
Weather in hex: Clear sky
 
Raid detected at 115 NM, estimated altitude 17,000 feet.
Estimated time to target is 36 minutes
 
Japanese aircraft
      Ki-21-IIa Sally x 3
      Ki-48-Ib Lily x 27
      Ki-51 Sonia x 3
 
Japanese aircraft losses
      Ki-21-IIa Sally: 1 damaged
      Ki-48-Ib Lily: 4 damaged
 
Allied ground losses:
      4 casualties reported
         Squads: 0 destroyed, 0 disabled
         Non Combat: 0 destroyed, 1 disabled
         Engineers: 0 destroyed, 0 disabled
 
Airbase hits 15
Airbase supply hits 3
Runway hits 34
 
Aircraft Attacking:
      27 x Ki-48-Ib Lily bombing from 13000 feet
               Airfield Attack:  4 x 100 kg GP Bomb
       3 x Ki-21-IIa Sally bombing from 13000 feet
               Airfield Attack:  4 x 250 kg GP Bomb
       3 x Ki-51 Sonia bombing from 13000 feet
               Airfield Attack:  4 x 50 kg GP Bomb
 
 
 
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Morning Air attack on Bataan , at 78,77 
 
Weather in hex: Clear sky
 
Raid detected at 108 NM, estimated altitude 17,000 feet.
Estimated time to target is 31 minutes
 
Japanese aircraft
      Ki-21-IIa Sally x 22
      Ki-30 Ann x 6
 
Japanese aircraft losses
      Ki-21-IIa Sally: 3 damaged
      Ki-30 Ann: 1 damaged
 
Airbase hits 3
Airbase supply hits 7
Runway hits 18
 
Aircraft Attacking:
      22 x Ki-21-IIa Sally bombing from 13000 feet
               Airfield Attack:  4 x 250 kg GP Bomb
       6 x Ki-30 Ann bombing from 13000 feet
               Airfield Attack:  1 x 250 kg GP Bomb
 
 
 
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Morning Air attack on Bataan , at 78,77 
 
Weather in hex: Clear sky
 
Raid detected at 98 NM, estimated altitude 15,000 feet.
Estimated time to target is 28 minutes
 
Japanese aircraft
      Ki-30 Ann x 15
 
Japanese aircraft losses
      Ki-30 Ann: 1 damaged
 
Airbase hits 1
Runway hits 1
 
Aircraft Attacking:
      15 x Ki-30 Ann bombing from 13000 feet
               Airfield Attack:  1 x 250 kg GP Bomb
 
 
 
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Morning Air attack on Siangtan , at 81,52 
 
Weather in hex: Light cloud
 
Raid spotted at 14 NM, estimated altitude 10,000 feet.
Estimated time to target is 4 minutes
 
Japanese aircraft
      Ki-30 Ann x 9
 
No Japanese losses
 
Aircraft Attacking:
       9 x Ki-30 Ann bombing from 8000 feet
               Port Attack:  1 x 250 kg GP Bomb
 
 
 
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Morning Air attack on Siangtan , at 81,52 
 
Weather in hex: Light cloud
 
Raid spotted at 1 NM, estimated altitude 18,000 feet.
Estimated time to target is 0 minutes
 
Japanese aircraft
      Ki-44 Tojo x 5
 
No Japanese losses
 
Aircraft Attacking:
       5 x Ki-44 Tojo sweeping at 18000 feet
 
 
 
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Morning Air attack on Bataan , at 78,77 
 
Weather in hex: Clear sky
 
Raid detected at 36 NM, estimated altitude 15,000 feet.
Estimated time to target is 12 minutes
 
Japanese aircraft
      Ki-51 Sonia x 9
 
No Japanese losses
 
Runway hits 2
 
Aircraft Attacking:
       9 x Ki-51 Sonia bombing from 13000 feet
               Airfield Attack:  4 x 50 kg GP Bomb
 
 
 
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Morning Air attack on Bataan , at 78,77 
 
Weather in hex: Clear sky
 
Raid detected at 92 NM, estimated altitude 12,000 feet.
Estimated time to target is 42 minutes
 
Japanese aircraft
      Ki-36 Ida x 12
 
No Japanese losses
 
Airbase hits 4
Airbase supply hits 2
Runway hits 5
 
Aircraft Attacking:
      12 x Ki-36 Ida bombing from 8000 feet
               Airfield Attack:  4 x 30 kg GP Bomb
 
 
 
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Morning Air attack on Bataan , at 78,77 
 
Weather in hex: Clear sky
 
Raid detected at 97 NM, estimated altitude 12,000 feet.
Estimated time to target is 31 minutes
 
Japanese aircraft
      Ki-49-Ia Helen x 30
 
Japanese aircraft losses
      Ki-49-Ia Helen: 1 damaged
 
Airbase hits 12
Airbase supply hits 2
Runway hits 11
 
Aircraft Attacking:
      30 x Ki-49-Ia Helen bombing from 8000 feet
               Airfield Attack:  4 x 250 kg GP Bomb
 
 
 
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Morning Air attack on 4th Chinese Corps, at 81,52 (Siangtan)
 
Weather in hex: Light cloud
 
Raid spotted at 20 NM, estimated altitude 12,000 feet.
Estimated time to target is 6 minutes
 
Japanese aircraft
      Ki-27b Nate x 12
      Ki-48-Ib Lily x 9
 
No Japanese losses
 
Allied ground losses:
      14 casualties reported
         Squads: 0 destroyed, 0 disabled
         Non Combat: 0 destroyed, 2 disabled
         Engineers: 0 destroyed, 0 disabled
 
Aircraft Attacking:
       9 x Ki-48-Ib Lily bombing from 8000 feet
               Ground Attack:  4 x 100 kg GP Bomb
 
Also attacking 72nd Chinese Corps ...
Also attacking 4th Chinese Corps ...
 
 
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Morning Air attack on 30th Group Army, at 81,52 (Siangtan)
 
Weather in hex: Light cloud
 
Raid spotted at 15 NM, estimated altitude 18,000 feet.
Estimated time to target is 5 minutes
 
Japanese aircraft
      Ki-27b Nate x 12
      Ki-51 Sonia x 12
 
No Japanese losses
 
Allied ground losses:
      7 casualties reported
         Squads: 0 destroyed, 0 disabled
         Non Combat: 0 destroyed, 1 disabled
         Engineers: 0 destroyed, 0 disabled
 
Aircraft Attacking:
      12 x Ki-51 Sonia bombing from 15000 feet * 
               Ground Attack:  2 x 50 kg GP Bomb
 
Also attacking 4th Chinese Corps ...
Also attacking 30th Group Army ...
 
 
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Morning Air attack on 11th Army, at 81,53 , near Changsha
 
Weather in hex: Severe storms
 
Raid spotted at 19 NM, estimated altitude 15,000 feet.
Estimated time to target is 6 minutes
 
Japanese aircraft
      Ki-27b Nate x 10
 
Allied aircraft
      P-40B Warhawk x 3
 
No Japanese losses
 
No Allied losses
 
CAP engaged:
54th Sentai with Ki-27b Nate (0 airborne, 0 on standby, 0 scrambling)
      10 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
      Group patrol altitude is 12000 , scrambling fighters to 19000.
      Time for all group planes to reach interception is 812 minutes
 
 
 
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Morning Air attack on 61st Naval Guard Unit, at 120,143 (Ndeni)
 
Weather in hex: Clear sky
 
Raid spotted at 10 NM, estimated altitude 11,000 feet.
Estimated time to target is 3 minutes
 
Allied aircraft
      SBD-3 Dauntless x 19
 
No Allied losses
 
Japanese ground losses:
      10 casualties reported
         Squads: 0 destroyed, 1 disabled
         Non Combat: 0 destroyed, 0 disabled
         Engineers: 0 destroyed, 0 disabled
 
Aircraft Attacking:
      15 x SBD-3 Dauntless releasing from 2000'
               Ground Attack:  1 x 1000 lb GP Bomb
       2 x SBD-3 Dauntless releasing from 2000'
               Ground Attack:  1 x 1000 lb GP Bomb
       2 x SBD-3 Dauntless releasing from 4000'
               Ground Attack:  1 x 1000 lb GP Bomb
 
 
 
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Morning Air attack on 61st Naval Guard Unit, at 120,143 (Ndeni)
 
Weather in hex: Clear sky
 
Raid spotted at 11 NM, estimated altitude 15,000 feet.
Estimated time to target is 4 minutes
 
Allied aircraft
      SBD-3 Dauntless x 13
 
No Allied losses
 
Aircraft Attacking:
      10 x SBD-3 Dauntless releasing from 2000'
               Ground Attack:  1 x 1000 lb GP Bomb
       3 x SBD-3 Dauntless releasing from 4000'
               Ground Attack:  1 x 1000 lb GP Bomb
 
 
 
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Morning Air attack on Bataan , at 78,77 
 
Weather in hex: Clear sky
 
Raid detected at 73 NM, estimated altitude 16,000 feet.
Estimated time to target is 25 minutes
 
Japanese aircraft
      Ki-51 Sonia x 4
 
Japanese aircraft losses
      Ki-51 Sonia: 1 damaged
 
Airbase hits 1
 
Aircraft Attacking:
       4 x Ki-51 Sonia bombing from 13000 feet
               Airfield Attack:  4 x 50 kg GP Bomb
 
 
 
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Ground combat at Siangtan (81,52)
 
Japanese Shock attack
 
Attacking force 87175 troops, 826 guns, 179 vehicles, Assault Value = 3102
 
Defending force 62680 troops, 294 guns, 0 vehicles, Assault Value = 2191
 
Japanese engineers reduce fortifications to 2
 
Japanese adjusted assault: 2484 
 
Allied adjusted defense: 938 
 
Japanese assault odds: 2 to 1 (fort level 2) 
 
Japanese Assault reduces fortifications to 2
 
Combat modifiers
Defender: forts(+), disruption(-), preparation(-), experience(-)
Attacker: shock(+), disruption(-)
 
Japanese ground losses:
      3397 casualties reported
         Squads: 6 destroyed, 305 disabled
         Non Combat: 3 destroyed, 34 disabled
         Engineers: 2 destroyed, 20 disabled
      Vehicles lost 14 (2 destroyed, 12 disabled)
 
Allied ground losses:
      4887 casualties reported
         Squads: 26 destroyed, 442 disabled
         Non Combat: 3 destroyed, 74 disabled
         Engineers: 2 destroyed, 18 disabled
      Guns lost 33 (1 destroyed, 32 disabled)
 
Assaulting units:
    6th Division
    39th Division
    13th Tank Regiment
    9th Armored Car Co 
    1st Ind.Mixed Brigade
    61st Infantry Brigade
    40th Division
    58th Infantry Regiment
    3rd Division
    Kyuko Naval Guard Unit
    13th Division
    14th RGC Temp. Division
    18th RGC Temp. Division
    8th Ind. Engineer Regiment
    51st Ind.Mtn.Gun Battalion
    15th Ind.Medium Field Artillery Regiment
    1st Mortar Battalion
    2nd Ind. Engineer Regiment
    2nd Ind. Mountain Gun Regiment
    14th Medium Field Artillery Regiment
    22nd AA Regiment
    52nd Ind.Mtn.Gun Battalion
 
Defending units:
    4th Chinese Corps
    87th Chinese Corps
    53rd Chinese Corps
    78th Chinese Corps
    70th Chinese Corps
    72nd Chinese Corps
    5th Construction Regiment
    26th Group Army
    30th Group Army
    7th Artillery Regiment
 
 
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Ground combat at Bataan (78,77)
 
Japanese Deliberate attack
 
Attacking force 45569 troops, 510 guns, 504 vehicles, Assault Value = 1396
 
Defending force 28834 troops, 302 guns, 384 vehicles, Assault Value = 506
 
Japanese engineers reduce fortifications to 2
 
Japanese adjusted assault: 664 
 
Allied adjusted defense: 485 
 
Japanese assault odds: 1 to 1 (fort level 2) 
 
Japanese Assault reduces fortifications to 2
 
Combat modifiers
Defender: terrain(+), forts(+), leaders(+), morale(-), experience(-)
 supply(-)
Attacker: 
 
Japanese ground losses:
      1470 casualties reported
         Squads: 12 destroyed, 178 disabled
         Non Combat: 1 destroyed, 24 disabled
         Engineers: 0 destroyed, 5 disabled
      Vehicles lost 36 (4 destroyed, 32 disabled)
 
Allied ground losses:
      1037 casualties reported
         Squads: 43 destroyed, 47 disabled
         Non Combat: 2 destroyed, 58 disabled
         Engineers: 11 destroyed, 11 disabled
      Guns lost 24 (10 destroyed, 14 disabled)
 
Assaulting units:
    9th Infantry Regiment
    7th Tank Regiment
    18th Division
    Kimura Det 
    16th Recon Regiment
    47th Infantry Regiment
    1st Formosa Inf. Regiment
    2nd Tank Regiment
    20th Infantry Regiment
    Kanno Det 
    48th Recon Regiment
    65th Brigade
    4th Tank Regiment
    24th Nav Gsn Unit 
    1st Medium Field Artillery Regiment
    9th Ind.Hvy.Art. Battalion
    48th Field Artillery Regiment
    15th Ind.Art.Mortar Battalion
    8th Medium Field Artillery Regiment
    2nd Ind.Art.Mortar Battalion
 
Defending units:
    21st PA Infantry Division
    45th PS Infantry Regimental Combat Team
    Manila Bay Defenses 
    4th Marine Regiment
    2nd PA Constabulary Division
    USAFFE 
    Bataan USN Base Force
    301st Construction Battalion
    14th PS Engineer Regiment
    I Philippine Corps 
    Subic Bay Defenses 
    Provisional GMC Grp 
    26th PS Cavalry Regiment
    201st PA Construction Battalion
    Far East USAAF 
    88th PS Field Artillery Regiment
    31st Infantry Regiment
    200th & 515th Coast AA Regiment
    202nd PA Construction Battalion
    192nd Tank Battalion
    Asiatic Fleet 
    194th Tank Battalion
    57th PS Infantry Regimental Combat Team
    1st PI Base Force
    803rd Engineer Aviation Battalion
    Clark Field USAAF Base Force
    301st PA Field Artillery Regiment
 
 
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Ground combat at 55,104 (near Soerabaja)
 
Japanese Shock attack
 
Attacking force 4566 troops, 36 guns, 17 vehicles, Assault Value = 311
 
Defending force 384 troops, 3 guns, 0 vehicles, Assault Value = 1
 
Japanese adjusted assault: 115 
 
Allied adjusted defense: 1 
 
Japanese assault odds: 115 to 1 
 
Combat modifiers
Defender: leaders(-), morale(-), experience(-), supply(-)
Attacker: shock(+)
 
Japanese ground losses:
      63 casualties reported
         Squads: 1 destroyed, 7 disabled
         Non Combat: 0 destroyed, 0 disabled
         Engineers: 0 destroyed, 0 disabled
 
Allied ground losses:
      552 casualties reported
         Squads: 5 destroyed, 0 disabled
         Non Combat: 39 destroyed, 0 disabled
         Engineers: 1 destroyed, 0 disabled
      Guns lost 3 (3 destroyed, 0 disabled)
      Units destroyed 1
 
Assaulting units:
    38th/A Division
    III./124th Infantry Battalion
    38th/C Division
 
Defending units:
    Madion Base Force
 
 
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Ground combat at Ndeni (120,143)
 
Japanese Bombardment attack
 
Attacking force 873 troops, 11 guns, 0 vehicles, Assault Value = 2
 
Defending force 16516 troops, 226 guns, 515 vehicles, Assault Value = 332
 
Japanese ground losses:
      95 casualties reported
         Squads: 12 destroyed, 0 disabled
         Non Combat: 0 destroyed, 1 disabled
         Engineers: 0 destroyed, 0 disabled
 
Assaulting units:
    61st Naval Guard Unit
 
Defending units:
    3rd Infantry/B Division
    3rd Infantry/A Division
    3rd Infantry/C Division
    119th USAAF Base Force
    43rd Construction Regiment
    46th Construction Regiment
    255th USN Base Force
 
 
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Ground combat at Koepang (68,116)
 
Allied Bombardment attack
 
Attacking force 452 troops, 8 guns, 0 vehicles, Assault Value = 47
 
Defending force 2056 troops, 24 guns, 0 vehicles, Assault Value = 77
 
Assaulting units:
    Timor Garrison Battalion
    Dili Detachment 
    Koepang Base Force
 
Defending units:
    Yokosuka Assault SNLF
 
 
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Ground combat at Ndeni (120,143)
 
Allied Deliberate attack
 
Attacking force 10405 troops, 193 guns, 287 vehicles, Assault Value = 332
 
Defending force 795 troops, 11 guns, 0 vehicles, Assault Value = 2
 
Allied adjusted assault: 91 
 
Japanese adjusted defense: 1 
 
Allied assault odds: 91 to 1 
 
Combat modifiers
Defender: terrain(+), leaders(-), disruption(-), experience(-)
 supply(-)
Attacker: 
 
Japanese ground losses:
      1144 casualties reported
         Squads: 44 destroyed, 0 disabled
         Non Combat: 76 destroyed, 0 disabled
         Engineers: 0 destroyed, 0 disabled
      Guns lost 14 (14 destroyed, 0 disabled)
      Units destroyed 1
 
Allied ground losses:
      8 casualties reported
         Squads: 0 destroyed, 1 disabled
         Non Combat: 0 destroyed, 0 disabled
         Engineers: 0 destroyed, 0 disabled
 
Assaulting units:
    3rd Infantry/A Division
    3rd Infantry/B Division
    3rd Infantry/C Division
    46th Construction Regiment
    119th USAAF Base Force
    43rd Construction Regiment
    255th USN Base Force
 
Defending units:
    61st Naval Guard Unit
 
 
