AFTER ACTION REPORTS FOR Jun 30, 42
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Pre-Invasion action off Tulagi (114,137)
 
Allied Ships
      DD Drayton
      DD Fanning
      DD Dunlap
      APA President Polk
 
DD Drayton firing at 52nd Naval Guard Unit
DD Fanning firing at 52nd Naval Guard Unit
DD Dunlap firing at 52nd Naval Guard Unit
DD Drayton fired at enemy troops
DD Fanning fired at enemy troops
Defensive Guns fire at approaching troops in landing craft at 6,000 yards
Defensive Guns fire at approaching troops in landing craft at 1,000 yards
 
 
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Amphibious Assault at Tulagi (114,137)
 
TF 75 troops unloading over beach at Tulagi, 114,137
 
Allied ground losses:
      810 casualties reported
         Squads: 0 destroyed, 171 disabled
         Non Combat: 0 destroyed, 114 disabled
         Engineers: 0 destroyed, 0 disabled
      Guns lost 88 (0 destroyed, 88 disabled)
      Vehicles lost 40 (0 destroyed, 40 disabled)
 
 
 
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Invasion Support action off Tulagi (114,137)
 
Allied Ships
      APA President Polk
      DD Drayton
 
Defensive Guns fire at approaching troops in landing craft at 6,000 yards
Defensive Guns fire at approaching troops in landing craft at 2,000 yards
 
 
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Amphibious Assault at Port Blair (46,58)
 
TF 81 troops unloading over beach at Port Blair, 46,58
 
Japanese ground losses:
      430 casualties reported
         Squads: 1 destroyed, 64 disabled
         Non Combat: 0 destroyed, 20 disabled
         Engineers: 0 destroyed, 0 disabled
      Guns lost 8 (0 destroyed, 8 disabled)
 
17 troops of a IJA Infantry Squad accidentally lost during unload of 113th Infantry Rgt
 
 
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Ground combat at Changsha (82,52)
 
Japanese Bombardment attack
 
Attacking force 10719 troops, 755 guns, 602 vehicles, Assault Value = 4066
 
Defending force 183043 troops, 1080 guns, 0 vehicles, Assault Value = 6013
 
Japanese ground losses:
      Guns lost 22 (5 destroyed, 17 disabled)
      Vehicles lost 15 (12 destroyed, 3 disabled)
      Units destroyed 1
 
Allied ground losses:
      114 casualties reported
         Squads: 3 destroyed, 11 disabled
         Non Combat: 0 destroyed, 1 disabled
         Engineers: 0 destroyed, 0 disabled
 
Assaulting units:
    3rd Division
    13th Division
    40th Division
    59th Infantry Brigade
    23rd Tank Regiment
    6th Division
    3rd Tank Regiment
    54th Infantry Brigade
    58th Infantry Brigade
    12th Indpt Infantry Regiment
    1st Recon Regiment
    2nd Ind.Mixed Brigade
    20th Recon Regiment
    61st Infantry Brigade
    1st Ind.Mixed Brigade
    52nd Infantry Brigade
    60th Infantry Brigade
    3rd Ind.Mixed Brigade
    13th Indpt Infantry Regiment
    9th Ind.Mixed Brigade
    26th Recon Regiment
    11th Field Artillery Regiment
    4th Ind.Hvy.Art. Battalion
    4th Medium Field Artillery Regiment
    10th Medium Field Artillery Regiment
    2nd Medium Field Artillery Regiment
    2nd Ind. Mountain Gun Regiment
    Tonei Hvy Gun Regiment
    1st Field Artillery Regiment
    7th Ind.Hvy.Art. Battalion
    11th Ind.Art.Mortar Battalion
    14th Medium Field Artillery Regiment
    13th Ind.Art.Mortar Battalion
    22nd Medium Field Artillery Regiment
    11th Ind.Hvy.Art Battalion
    12th Ind.Art.Mortar Battalion
    52nd Ind.Mtn.Gun Battalion
    2nd Hvy.Artillery Regiment
    20th Medium Field Artillery Regiment
    1st Ind.Hvy.Art. Battalion
    13th Mortar Battalion
    5th Medium Field Artillery Regiment
    9th Medium Field Artillery Regiment
    12th Medium Field Artillery Regiment
    7th Medium Field Artillery Regiment
    8th Ind. Engineer Regiment
    1st Mortar Battalion
    8th Ind.Hvy.Art. Battalion
    2nd Ind. Engineer Regiment
    10th Mortar Battalion
    22nd AA Regiment
    3rd Hvy.Artillery Regiment
    6th Ind.Hvy.Art. Battalion
    15th Ind.Medium Field Artillery Regiment
    51st Ind.Mtn.Gun Battalion
    5th Ind.Hvy.Art Battalion
    8th Mountain Gun Regiment
    4th Ind. Mountain Gun Regiment
    12th Ind.Hvy.Art Battalion
 
Defending units:
    25th Chinese Corps
    29th Chinese Corps
    73rd Chinese Corps
    37th Chinese Corps
    86th Chinese Corps
    66th Chinese Corps
    76th Chinese Corps
    20th Chinese Corps
    14th Chinese Corps
    58th Chinese Corps
    57th Chinese Corps
    10th Chinese Corps
    53rd Chinese Corps
    13th Chinese Corps
    99th Chinese Corps
    14th Construction Regiment
    34th Group Army
    26th Group Army
    27th Group Army
    19th Group Army
    9th War Area 
    57th AT Gun Regiment
    1st Artillery Regiment
    18th Artillery Regiment
    17th Chinese Base Force
    31st Group Army
    7th Artillery Regiment
    3rd Heavy Mortar Regiment
    29th Group Army
    22nd Artillery Regiment
    6th War Area 
    49th AA Regiment
 
 
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Ground combat at 63,97 (near Balikpapan)
 
Japanese Shock attack
 
Attacking force 1716 troops, 19 guns, 2 vehicles, Assault Value = 63
 
Defending force 1806 troops, 10 guns, 0 vehicles, Assault Value = 5
 
Japanese adjusted assault: 24 
 
Allied adjusted defense: 25 
 
Japanese assault odds: 1 to 2 
 
Combat modifiers
Defender: terrain(+), leaders(-), fatigue(-), experience(-)
 supply(-)
Attacker: shock(+), leaders(+), leaders(-), fatigue(-)
 
Japanese ground losses:
      22 casualties reported
         Squads: 0 destroyed, 2 disabled
         Non Combat: 0 destroyed, 0 disabled
         Engineers: 0 destroyed, 0 disabled
 
Allied ground losses:
      79 casualties reported
         Squads: 0 destroyed, 0 disabled
         Non Combat: 2 destroyed, 6 disabled
         Engineers: 0 destroyed, 0 disabled
 
Assaulting units:
    Sasebo 8th SNLF
 
Defending units:
    Samarinda KNIL Battalion
    VI KNIL Battalion
    Balikpapan Base Force
 
 
