AFTER ACTION REPORTS FOR Jan 31, 42
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Pre-Invasion action off Tarakan (67,91) - Coastal Guns Fire Back!
Defensive Guns engage approaching landing force
 
82 Coastal gun shots fired in defense.
 
Japanese Ships
      CL Sendai
      DD Asagiri
      LSD Shinshu Maru
      DD Yugiri
 
Japanese ground losses:
      8 casualties reported
         Squads: 0 destroyed, 0 disabled
         Non Combat: 0 destroyed, 1 disabled
         Engineers: 0 destroyed, 0 disabled
 
Allied ground losses:
      106 casualties reported
         Squads: 0 destroyed, 1 disabled
         Non Combat: 1 destroyed, 7 disabled
         Engineers: 0 destroyed, 0 disabled
 
Tarakan Coastal Gun Battalion firing at CL Sendai
CL Sendai firing at Tarakan Coastal Gun Battalion
Tarakan Coastal Gun Battalion firing at DD Asagiri
DD Asagiri firing at Tarakan Coastal Gun Battalion
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 Tarakan (67,91)
 
TF 267 troops unloading over beach at Tarakan, 67,91
 
Japanese ground losses:
      23 casualties reported
         Squads: 1 destroyed, 0 disabled
         Non Combat: 0 destroyed, 0 disabled
         Engineers: 0 destroyed, 0 disabled
 
17 troops of a IJA Infantry Squad lost in surf during unload of 22nd JAAF AF Bn 
 
 
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Invasion Support action off Tarakan (67,91) - Coastal Guns Fire Back!
Defensive Guns engage approaching landing force
 
77 Coastal gun shots fired in defense.
 
Japanese Ships
      CL Sendai, Shell hits 4
      DD Yugiri
      DD Asagiri
      xAP Naminoue Maru, Shell hits 2
      LSD Matsutan Maru, Shell hits 2
      xAP Huso Maru
      LSD Shinshu Maru, Shell hits 2,  on fire
 
Allied ground losses:
      16 casualties reported
         Squads: 0 destroyed, 0 disabled
         Non Combat: 0 destroyed, 2 disabled
         Engineers: 0 destroyed, 0 disabled
 
Tarakan Coastal Gun Battalion firing at CL Sendai
CL Sendai firing at Tarakan Coastal Gun Battalion
Tarakan Coastal Gun Battalion firing at DD Yugiri
DD Yugiri firing at Tarakan Coastal Gun Battalion
Tarakan Coastal Gun Battalion firing at DD Asagiri
120mm CD Gun Battery engaging xAP Naminoue Maru at 8,000 yards
CL Sendai firing to suppress enemy battery at 8,000 yards
75mm CD Gun Battery engaging LSD Matsutan Maru at 8,000 yards
CL Sendai firing to suppress enemy battery at 8,000 yards
120mm CD Gun Battery engaging xAP Huso Maru at 8,000 yards
DD Yugiri fired at enemy troops
120mm CD Gun battery firing at LSD Shinshu Maru
 
 
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TF 69 encounters mine field at 49,90
 
Japanese Ships
      DMS W-12
      DMS W-11
 
11 mines cleared
 
 
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Morning Air attack on 3rd War Area , at 88,57 , near Wenchow
 
Weather in hex: Heavy cloud
 
Raid spotted at 18 NM, estimated altitude 8,000 feet.
Estimated time to target is 6 minutes
 
Japanese aircraft
      G3M2 Nell x 36
      G4M1 Betty x 65
 
No Japanese losses
 
Allied ground losses:
      173 casualties reported
         Squads: 0 destroyed, 0 disabled
         Non Combat: 1 destroyed, 21 disabled
         Engineers: 0 destroyed, 0 disabled
 
Aircraft Attacking:
      20 x G4M1 Betty bombing from 8000 feet
               Ground Attack:  2 x 250 kg SAP Bomb,  4 x 60 kg GP Bomb
      15 x G4M1 Betty bombing from 8000 feet
               Ground Attack:  2 x 250 kg GP Bomb,  4 x 60 kg GP Bomb
      25 x G4M1 Betty bombing from 8000 feet
               Ground Attack:  2 x 250 kg GP Bomb,  4 x 60 kg GP Bomb
      36 x G3M2 Nell bombing from 8000 feet
               Ground Attack:  2 x 250 kg GP Bomb,  4 x 60 kg GP Bomb
       5 x G4M1 Betty bombing from 8000 feet
               Ground Attack:  2 x 250 kg GP Bomb,  4 x 60 kg GP Bomb
 
 
 
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Ground combat at Singapore (50,84)
 
Japanese Deliberate attack
 
Attacking force 77579 troops, 811 guns, 513 vehicles, Assault Value = 2343
 
Defending force 54157 troops, 660 guns, 527 vehicles, Assault Value = 877
 
Japanese engineers reduce fortifications to 4
 
Japanese adjusted assault: 1575 
 
Allied adjusted defense: 2225 
 
Japanese assault odds: 1 to 2 (fort level 4) 
 
Combat modifiers
Defender: terrain(+), forts(+), leaders(+), preparation(-)
 experience(-)
Attacker: 
 
Japanese ground losses:
      4593 casualties reported
         Squads: 21 destroyed, 332 disabled
         Non Combat: 4 destroyed, 71 disabled
         Engineers: 25 destroyed, 51 disabled
      Vehicles lost 120 (21 destroyed, 99 disabled)
 
Allied ground losses:
      2103 casualties reported
         Squads: 23 destroyed, 266 disabled
         Non Combat: 3 destroyed, 51 disabled
         Engineers: 1 destroyed, 35 disabled
      Guns lost 44 (4 destroyed, 40 disabled)
      Vehicles lost 26 (1 destroyed, 25 disabled)
 
Assaulting units:
    1st Tank Regiment
    56th Engineer Regiment
    56th Recon Regiment
    143rd Infantry Regiment
    38th Division
    23rd Ind. Engineer Regiment
    113th Infantry Regiment
    148th Infantry Regiment
    5th Division
    18th Division
    14th Tank Regiment
    144th Infantry Regiment
    15th Ind. Engineer Regiment
    33rd Division
    41st Infantry Regiment
    3rd Mortar Battalion
    18th Medium Field Artillery Regiment
    5th Mortar Battalion
    56th Field Artillery Regiment
    25th Army
    3rd Medium Field Artillery Regiment
    14th Ind.Art.Mortar Battalion
 
Defending units:
    22nd Australian Brigade
    2/17 Dogra Battalion
    11th Indian Division
    SSVF Brigade
    1st Malay Battalion
    2nd Malay Battalion
    2nd Gordons Battalion
    1st Manchester Battalion
    27th Australian Brigade
    1st Hyderabad Battalion
    2nd Loyal Battalion
    3rd Cavalry Regiment
    9th Indian Division
    3rd HK&S Light AA Regiment
    111th RAF Base Force
    22nd Indian Mountain Gun Regiment
    24th NZ Pioneer Coy 
    Singapore Base Force
    III Indian Corps
    AHQ Far East 
    Malaya Army
    2nd HK&S Heavy AA Regiment
    109th RAF  Base Force
    1st HK&S Heavy AA Regiment
    223 Group RAF 
    3rd Heavy AA Regiment
    112th RAF Base Force
    Malayan Air Wing 
    224 Group RAF 
    1st Indian Heavy AA Regiment
    2nd ISF Base Force
    110th RAF Base Force
    Singapore Fortress
    109th RN Base Force
 
 
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Ground combat at Oosthaven (48,96)
 
Japanese Deliberate attack
 
Attacking force 1711 troops, 19 guns, 2 vehicles, Assault Value = 62
 
Defending force 472 troops, 10 guns, 0 vehicles, Assault Value = 4
 
Japanese adjusted assault: 56 
 
Allied adjusted defense: 3 
 
Japanese assault odds: 18 to 1 (fort level 2) 
 
Japanese forces CAPTURE Oosthaven !!!
 
Combat modifiers
Defender: leaders(-), morale(-), experience(-)
Attacker: leaders(+)
 
Allied ground losses:
      646 casualties reported
         Squads: 3 destroyed, 0 disabled
         Non Combat: 20 destroyed, 0 disabled
         Engineers: 3 destroyed, 0 disabled
      Guns lost 12 (12 destroyed, 0 disabled)
      Units destroyed 1
 
Assaulting units:
    Yokosuka 2nd SNLF
 
Defending units:
    Teloekbetoeng Base Force
 
 
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Ground combat at Tarakan (67,91)
 
Allied Bombardment attack
 
Attacking force 1138 troops, 30 guns, 7 vehicles, Assault Value = 52
 
Defending force 2758 troops, 29 guns, 2 vehicles, Assault Value = 72
 
Assaulting units:
    VII KNIL Battalion
    Tarakan Coastal Gun Battalion
    Tarakan Base Force
 
Defending units:
    Yokosuka 4th SNLF
    22nd JAAF AF Bn 
 
 
