AFTER ACTION REPORTS FOR Sep 27, 42
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TF 135 encounters mine field at Torokina (109,130)
 
Allied Ships
      AM Geelong
      AM Echuca
      AM Cowra
      AM Bunbury
 
37 mines cleared
 
 
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ASW attack near Mussau Island  at 104,119
 
Japanese Ships
      CA Aoba
      DD Aoi
      DD Isonami
      CM Okinoshima
      CM Tsugaru
      CM Tokiwa
      DD Zuiho
      DD Eiko
 
Allied Ships
      SS Seal
 
SS Seal is sighted by escort
DD Zuiho fails to find sub and abandons search
DD Eiko fails to find sub, continues to search...
Escort abandons search for sub
 
 
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TF 45 encounters mine field at Tulagi (114,137)
 
Japanese Ships
      SS I-26, Mine hits 1,  on fire,  heavy damage
      SS I-25, Mine hits 1,  heavy damage
 
 
 
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Night Air attack on TF, near Shortlands at 109,131
 
Weather in hex: Heavy cloud
 
Raid detected at 41 NM, estimated altitude 5,000 feet.
Estimated time to target is 17 minutes
 
Japanese aircraft
      B5N2 Kate x 9
 
Japanese aircraft losses
      B5N2 Kate: 5 damaged
      B5N2 Kate: 1 destroyed by flak
 
Allied Ships
      BB Idaho
      BB Mississippi
 
Aircraft Attacking:
       8 x B5N2 Kate launching torpedoes at 200 feet
               Naval Attack:  1 x 18in Type 91 Torpedo
 
 
 
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Night Air attack on TF, near Shortlands at 109,131
 
Weather in hex: Heavy cloud
 
Raid detected at 69 NM, estimated altitude 8,000 feet.
Estimated time to target is 24 minutes
 
Japanese aircraft
      G4M1 Betty x 13
 
Japanese aircraft losses
      G4M1 Betty: 6 damaged
      G4M1 Betty: 2 destroyed by flak
 
Allied Ships
      BB Idaho
      BB Mississippi
 
Aircraft Attacking:
      10 x G4M1 Betty launching torpedoes at 200 feet
               Naval Attack:  1 x 18in Type 91 Torpedo
 
 
 
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Night Air attack on TF, near Shortlands at 109,131
 
Weather in hex: Heavy cloud
 
Raid detected at 29 NM, estimated altitude 2,000 feet.
Estimated time to target is 12 minutes
 
Japanese aircraft
      B5N1 Kate x 4
 
Japanese aircraft losses
      B5N1 Kate: 2 damaged
      B5N1 Kate: 1 destroyed by flak
 
Allied Ships
      BB Mississippi
 
Aircraft Attacking:
       2 x B5N1 Kate launching torpedoes at 200 feet
               Naval Attack:  1 x 18in Type 91 Torpedo
 
 
 
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Night Air attack on TF, near Shortlands at 109,131
 
Weather in hex: Heavy cloud
 
Raid detected at 47 NM, estimated altitude 3,000 feet.
Estimated time to target is 20 minutes
 
Japanese aircraft
      B5N1 Kate x 6
 
Japanese aircraft losses
      B5N1 Kate: 2 damaged
      B5N1 Kate: 2 destroyed by flak
 
Allied Ships
      BB Mississippi
      BB Idaho
 
Aircraft Attacking:
       5 x B5N1 Kate launching torpedoes at 200 feet
               Naval Attack:  1 x 18in Type 91 Torpedo
 
 
 
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Night Naval bombardment of Cox's Bazar at 54,43
 
Allied Ships
      CA Devonshire
      CA Dorsetshire
      DD Jupiter
      DD Isis
      DD Inconstant
      DD Tjerk Hiddes
      DD Van Galen
 
Japanese ground losses:
      12 casualties reported
         Squads: 0 destroyed, 1 disabled
         Non Combat: 0 destroyed, 0 disabled
         Engineers: 0 destroyed, 0 disabled
 
Port hits 11
Port fuel hits 4
Port supply hits 3
 
Walrus II acting as spotter for CA Devonshire
CA Devonshire firing at Cox's Bazar 
Walrus II acting as spotter for CA Dorsetshire
CA Dorsetshire firing at Imperial Guards Division
DD Jupiter firing at Cox's Bazar 
DD Isis firing at Imperial Guards Division
DD Inconstant firing at Imperial Guards Division
DD Tjerk Hiddes firing at Cox's Bazar 
DD Van Galen firing at Cox's Bazar 
 
 
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TF 135 encounters mine field at Torokina (109,130)
 
Allied Ships
      AM Geelong
      AM Echuca
      AM Cowra
      AM Bunbury
 
6 mines cleared
 
 
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Morning Air attack on Rabaul , at 106,125 
 
Weather in hex: Light rain
 
Raid detected at 49 NM, estimated altitude 40,000 feet.
Estimated time to target is 18 minutes
 
Japanese aircraft
      A6M2 Zero x 41
      Ki-44-IIc Tojo x 36
 
Allied aircraft
      F4U-1 Corsair x 29
 
Japanese aircraft losses
      A6M2 Zero: 3 destroyed
      Ki-44-IIc Tojo: 9 destroyed
 
Allied aircraft losses
      F4U-1 Corsair: 8 destroyed
 
CAP engaged:
998th Ku T-1/A with Ki-44-IIc Tojo (0 airborne, 12 on standby, 0 scrambling)
      6 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
      Group patrol altitude is 8000 , scrambling fighters between 8000 and 36740.
      Time for all group planes to reach interception is 21 minutes
998th Ku T-1/C with Ki-44-IIc Tojo (0 airborne, 12 on standby, 0 scrambling)
      6 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
      Group patrol altitude is 10000 , scrambling fighters between 10000 and 36740.
      Time for all group planes to reach interception is 15 minutes
13th Ku S-1  with A6M2 Zero (0 airborne, 13 on standby, 0 scrambling)
      6 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
      Group patrol altitude is 6000 , scrambling fighters between 6000 and 32810.
      Time for all group planes to reach interception is 17 minutes
Chuyo-1 with A6M2 Zero (0 airborne, 15 on standby, 0 scrambling)
      7 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
      Group patrol altitude is 23000 , scrambling fighters between 23000 and 32810.
      Time for all group planes to reach interception is 19 minutes
 
 
 
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Morning Air attack on Rabaul , at 106,125 
 
Weather in hex: Light rain
 
Raid detected at 38 NM, estimated altitude 38,000 feet.
Estimated time to target is 14 minutes
 
Japanese aircraft
      A6M2 Zero x 27
      Ki-44-IIc Tojo x 17
 
Allied aircraft
      F4U-1 Corsair x 29
 
Japanese aircraft losses
      A6M2 Zero: 4 destroyed
      Ki-44-IIc Tojo: 6 destroyed
 
Allied aircraft losses
      F4U-1 Corsair: 1 destroyed
 
Aircraft Attacking:
      18 x F4U-1 Corsair sweeping at 36000 feet
 
CAP engaged:
998th Ku T-1/A with Ki-44-IIc Tojo (0 airborne, 0 on standby, 0 scrambling)
      8 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
      Group patrol altitude is 8000 , scrambling fighters between 9000 and 16000.
      Time for all group planes to reach interception is 26 minutes
998th Ku T-1/C with Ki-44-IIc Tojo (0 airborne, 0 on standby, 0 scrambling)
      6 plane(s) not yet engaged, 3 being recalled, 0 out of immediate contact.
      Group patrol altitude is 10000 , scrambling fighters between 12000 and 14000.
      Time for all group planes to reach interception is 22 minutes
Chuyo-1 with A6M2 Zero (0 airborne, 4 on standby, 0 scrambling)
      11 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact.
      Group patrol altitude is 23000 , scrambling fighters between 9000 and 32810.
      Time for all group planes to reach interception is 26 minutes
13th Ku S-1  with A6M2 Zero (0 airborne, 0 on standby, 0 scrambling)
      8 plane(s) not yet engaged, 4 being recalled, 0 out of immediate contact.
      Group patrol altitude is 6000 , scrambling fighters between 7000 and 32810.
      Time for all group planes to reach interception is 23 minutes
 
 
 
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Morning Air attack on 23rd British Brigade, at 54,43 (Cox's Bazar)
 
Weather in hex: Overcast
 
Raid spotted at 34 NM, estimated altitude 17,000 feet.
Estimated time to target is 9 minutes
 
Japanese aircraft
      Ki-21-IIa Sally x 30
      Ki-49-IIb Helen x 29
 
Japanese aircraft losses
      Ki-49-IIb Helen: 2 damaged
 
Allied ground losses:
      7 casualties reported
         Squads: 0 destroyed, 1 disabled
         Non Combat: 0 destroyed, 0 disabled
         Engineers: 0 destroyed, 0 disabled
 
Aircraft Attacking:
      25 x Ki-21-IIa Sally bombing from 12000 feet
               Ground Attack:  4 x 250 kg GP Bomb
       4 x Ki-49-IIb Helen bombing from 12000 feet
               Ground Attack:  4 x 250 kg GP Bomb
      25 x Ki-49-IIb Helen bombing from 12000 feet
               Ground Attack:  4 x 250 kg GP Bomb
       5 x Ki-21-IIa Sally bombing from 12000 feet
               Ground Attack:  4 x 250 kg GP Bomb
 
Also attacking 21st Indian Mountain Gun Regiment ...
Also attacking 6th Heavy AA Regiment ...
Also attacking 35th Light AA Regiment ...
Also attacking 23rd Indian Mountain Gun Regiment ...
Also attacking 23rd British Brigade ...
Also attacking 21st Indian Mountain Gun Regiment ...
Also attacking 23rd British Brigade ...
Also attacking 21st Indian Mountain Gun Regiment ...
Also attacking 6th Heavy AA Regiment ...
Also attacking 35th Light AA Regiment ...
Also attacking 23rd Indian Mountain Gun Regiment ...
Also attacking 23rd British Brigade ...
Also attacking 21st Indian Mountain Gun Regiment ...
Also attacking 23rd British Brigade ...
Also attacking 21st Indian Mountain Gun Regiment ...
 
 
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Morning Air attack on 23rd British Brigade, at 54,43 (Cox's Bazar)
 
Weather in hex: Overcast
 
Raid spotted at 31 NM, estimated altitude 14,000 feet.
Estimated time to target is 9 minutes
 
Japanese aircraft
      A6M2 Zero x 27
      Ki-49-IIb Helen x 18
 
Japanese aircraft losses
      Ki-49-IIb Helen: 1 damaged
 
Allied ground losses:
      8 casualties reported
         Squads: 0 destroyed, 0 disabled
         Non Combat: 0 destroyed, 1 disabled
         Engineers: 0 destroyed, 0 disabled
 
Aircraft Attacking:
      18 x Ki-49-IIb Helen bombing from 12000 feet
               Ground Attack:  4 x 250 kg GP Bomb
 
 
 
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Morning Air attack on 6th Heavy AA Regiment, at 54,43 (Cox's Bazar)
 
Weather in hex: Overcast
 
Raid spotted at 36 NM, estimated altitude 14,000 feet.
Estimated time to target is 10 minutes
 
Japanese aircraft
      A6M2 Zero x 27
      Ki-21-IIa Sally x 20
 
No Japanese losses
 
Aircraft Attacking:
      20 x Ki-21-IIa Sally bombing from 12000 feet
               Ground Attack:  4 x 250 kg GP Bomb
 
 
 
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Afternoon Air attack on 1st GEACPS Brigade, at 109,131 (Shortlands)
 
Weather in hex: Partial cloud
 
Raid spotted at 20 NM, estimated altitude 8,000 feet.
Estimated time to target is 5 minutes
 
Allied aircraft
      B-25B Mitchell x 32
      P-40B Warhawk x 33
 
Allied aircraft losses
      B-25B Mitchell: 4 damaged
 
Aircraft Attacking:
      16 x B-25B Mitchell bombing from 4000 feet
               Ground Attack:  6 x 500 lb GP Bomb
      16 x B-25B Mitchell bombing from 4000 feet
               Ground Attack:  6 x 500 lb GP Bomb
 
 
 
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Afternoon Air attack on 1st GEACPS Brigade, at 109,131 (Shortlands)
 
Weather in hex: Partial cloud
 
Raid spotted at 10 NM, estimated altitude 5,000 feet.
Estimated time to target is 2 minutes
 
Allied aircraft
      B-25B Mitchell x 32
      P-40B Warhawk x 33
 
Allied aircraft losses
      B-25B Mitchell: 2 damaged
 
Japanese ground losses:
      8 casualties reported
         Squads: 0 destroyed, 0 disabled
         Non Combat: 0 destroyed, 1 disabled
         Engineers: 0 destroyed, 0 disabled
 
Aircraft Attacking:
      16 x B-25B Mitchell bombing from 4000 feet
               Ground Attack:  6 x 500 lb GP Bomb
      16 x B-25B Mitchell bombing from 4000 feet
               Ground Attack:  6 x 500 lb GP Bomb
 
 
 
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Ground combat at Shortlands (109,131)
 
Allied Deliberate attack
 
Attacking force 13817 troops, 289 guns, 164 vehicles, Assault Value = 424
 
Defending force 3793 troops, 11 guns, 0 vehicles, Assault Value = 1
 
Allied adjusted assault: 346 
 
Japanese adjusted defense: 1 
 
Allied assault odds: 346 to 1 
 
Combat modifiers
Defender: terrain(+), leaders(+), disruption(-), fatigue(-)
 experience(-), supply(-)
Attacker: 
 
Japanese ground losses:
      766 casualties reported
         Squads: 40 destroyed, 0 disabled
         Non Combat: 2 destroyed, 15 disabled
         Engineers: 4 destroyed, 0 disabled
 
Allied ground losses:
      19 casualties reported
         Squads: 0 destroyed, 1 disabled
         Non Combat: 0 destroyed, 1 disabled
         Engineers: 0 destroyed, 1 disabled
 
Assaulting units:
    34th Combat Engineer Regiment
    1st Marine Division
    I US Amphib Corps
    35th Aviation Base Force
    803rd Engineer Aviation Battalion
    11th USN Naval Construction Battalion
    804th Engineer Aviation Battalion
    105th USN Base Force
    18th USN Naval Construction Battalion
 
Defending units:
    1st GEACPS Brigade
 
 
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Ground combat at Cox's Bazar (54,43)
 
Allied Bombardment attack
 
Attacking force 18019 troops, 418 guns, 403 vehicles, Assault Value = 757
 
Defending force 19123 troops, 166 guns, 42 vehicles, Assault Value = 668
 
Japanese ground losses:
      12 casualties reported
         Squads: 0 destroyed, 1 disabled
         Non Combat: 0 destroyed, 0 disabled
         Engineers: 0 destroyed, 0 disabled
 
Allied ground losses:
      35 casualties reported
         Squads: 1 destroyed, 3 disabled
         Non Combat: 0 destroyed, 3 disabled
         Engineers: 0 destroyed, 0 disabled
      Vehicles lost 11 (5 destroyed, 6 disabled)
 
Assaulting units:
    7th Armoured Brigade
    18th British Division
    23rd British Brigade
    23rd Indian Mountain Gun Regiment
    21st Indian Mountain Gun Regiment
    6th Heavy AA Regiment
    35th Light AA Regiment
    26th Indian Mountain Gun Regiment
 
Defending units:
    Imperial Guards Division
    86th Naval Guard Unit
    17th Indpt Guards Regiment
 
 
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Japanese Unit(s) surrounded at Shortlands

