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I am also deploying my subs of course as well. USN gets the first licks in, causing minor damage to one sub but if Joe continues to lurk off Lunga, sooner or later one of my subs is going to get a shot at him.

AFTER ACTION REPORTS FOR Aug 10, 42
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Invasion Support action off Lunga
Defensive Guns fire at approaching troops in landing craft

13 Coastal gun shots fired in defense.

Allied Ships
AP Hunter Liggett, Shell hits 1
DD Henley
AP American Legion, Shell hits 2



8cm 41YT DP Gun Coastal Battery engaging AP Hunter Liggett at 12,000 yards
DD Henley fires to suppress enemy troops at 12,000 yards
8cm 41YT DP Gun Coastal Battery engaging AP American Legion at 12,000 yards
DD Henley fires to suppress enemy troops at 12,000 yards


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Invasion Support action off Tulagi
Defensive Guns fire at approaching troops in landing craft

6 Coastal gun shots fired in defense.

Allied Ships
DMS Hovey
DMS Southard
APD Little
APD Colhoun



DMS Hovey firing at enemy troops
DMS Southard firing at enemy troops
APD Little firing at enemy troops
APD Colhoun firing at enemy troops


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Submarine attack near Torokina at 108,130

Japanese Ships
CS Chitose, Torpedo hits 1

Allied Ships
SS S-44



SS S-44 is sighted by CS Chitose
SS S-44 launches 4 torpedoes


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Naval bombardment of Lunga at 114,138 - Coastal Guns Fire Back!

8 Coastal gun shots fired in defense.

Allied Ships
CA Vincennes
CA Quincy
CA Astoria
DD Hull, Shell hits 1
DD Dewey
DD Wilson
DD Ellet

Japanese ground losses:
45 casualties reported
Squads: 0 destroyed, 2 disabled
Non Combat: 0 destroyed, 2 disabled
Engineers: 0 destroyed, 3 disabled



Airbase hits 1
Runway hits 4
Port hits 4

CA Vincennes firing at Lunga
CA Quincy firing at 13th Naval Construction Battalion
CA Astoria firing at Kure 3rd Naval Guard Unit
DD Hull firing at 81st Naval Guard Unit
DD Dewey firing at 81st Naval Guard Unit
DD Wilson firing at 81st Naval Guard Unit
DD Ellet firing at 81st Naval Guard Unit


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Invasion Support action off Tulagi
Defensive Guns fire at approaching troops in landing craft

3 Coastal gun shots fired in defense.

Allied Ships
DMS Hovey
DMS Southard
APD Little
APD Colhoun



DMS Hovey firing at enemy troops
DMS Southard firing at enemy troops
APD Little firing at enemy troops
APD Colhoun firing at enemy troops


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Invasion Support action off Tulagi
Defensive Guns fire at approaching troops in landing craft

5 Coastal gun shots fired in defense.

Allied Ships
DMS Hovey
DMS Southard
APD Little
APD Colhoun



DMS Hovey firing at enemy troops
DMS Southard firing at enemy troops
APD Little firing at enemy troops
APD Colhoun firing at enemy troops


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Morning Air attack on 30th Australian Brigade, at 99,130

Weather in hex: Clear sky

Raid spotted at 35 NM, estimated altitude 8,000 feet.
Estimated time to target is 12 minutes

Japanese aircraft
A6M2 Zero x 18
G4M1 Betty x 26



Allied aircraft
Kittyhawk IA x 1


No Japanese losses

Allied aircraft losses
Kittyhawk IA: 1 destroyed


Allied ground losses:
22 casualties reported
Squads: 0 destroyed, 2 disabled
Non Combat: 0 destroyed, 2 disabled
Engineers: 0 destroyed, 0 disabled


Aircraft Attacking:
26 x G4M1 Betty bombing from 6000 feet
Ground Attack: 2 x 250 kg GP Bomb, 4 x 60 kg GP Bomb
10 x A6M2 Zero sweeping at 6000 feet

CAP engaged:
No.76 Sqd RAAF with Kittyhawk IA (1 airborne, 0 on standby, 0 scrambling)
(1 plane(s) diverted to support CAP in hex.)
1 plane(s) intercepting now.
Group patrol altitude is 10000
Raid is overhead



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Morning Air attack on Horii Group , at 99,130

Weather in hex: Clear sky

Raid spotted at 10 NM, estimated altitude 9,000 feet.
Estimated time to target is 2 minutes


Allied aircraft
B-17E Fortress x 9


No Allied losses

Japanese ground losses:
46 casualties reported
Squads: 0 destroyed, 0 disabled
Non Combat: 0 destroyed, 9 disabled
Engineers: 0 destroyed, 1 disabled



Aircraft Attacking:
3 x B-17E Fortress bombing from 6000 feet *
Ground Attack: 4 x 500 lb GP Bomb
6 x B-17E Fortress bombing from 6000 feet *
Ground Attack: 4 x 500 lb GP Bomb

Also attacking 15th Engineer Regiment ...


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Afternoon Air attack on 144th Infantry Regiment, at 99,130

Weather in hex: Clear sky

Raid spotted at 12 NM, estimated altitude 8,000 feet.
Estimated time to target is 3 minutes


Allied aircraft
Beaufort V x 4
Kittyhawk IA x 8


No Allied losses

Japanese ground losses:
37 casualties reported
Squads: 0 destroyed, 2 disabled
Non Combat: 0 destroyed, 5 disabled
Engineers: 0 destroyed, 0 disabled
Guns lost 1 (0 destroyed, 1 disabled)



Aircraft Attacking:
4 x Beaufort V bombing from 6000 feet
Ground Attack: 4 x 500 lb GP Bomb



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Afternoon Air attack on Yokoyama Tai , at 99,130

Weather in hex: Clear sky

Raid spotted at 19 NM, estimated altitude 11,000 feet.
Estimated time to target is 5 minutes


Allied aircraft
P-39D Airacobra x 24


No Allied losses

Japanese ground losses:
25 casualties reported
Squads: 1 destroyed, 0 disabled
Non Combat: 0 destroyed, 1 disabled
Engineers: 0 destroyed, 1 disabled



Aircraft Attacking:
10 x P-39D Airacobra diving from 10000'
Ground Attack: 1 x 500 lb GP Bomb
14 x P-39D Airacobra diving from 10000'
Ground Attack: 1 x 500 lb GP Bomb



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Afternoon Air attack on Det - Kure 3rd SNLF, at 114,137 (Tulagi)

Weather in hex: Heavy cloud

Raid spotted at 16 NM, estimated altitude 17,000 feet.
Estimated time to target is 6 minutes


Allied aircraft
SBD-3 Dauntless x 53


Allied aircraft losses
SBD-3 Dauntless: 2 damaged

Japanese ground losses:
117 casualties reported
Squads: 1 destroyed, 5 disabled
Non Combat: 0 destroyed, 8 disabled
Engineers: 0 destroyed, 3 disabled



Aircraft Attacking:
18 x SBD-3 Dauntless diving from 10000'
Ground Attack: 1 x 1000 lb GP Bomb
17 x SBD-3 Dauntless diving from 10000'
Ground Attack: 1 x 1000 lb GP Bomb
18 x SBD-3 Dauntless diving from 10000'
Ground Attack: 1 x 1000 lb GP Bomb

Also attacking 14th Naval Construction Battalion ...
Also attacking Det - Kure 3rd SNLF ...
Also attacking 14th Naval Construction Battalion ...
Also attacking Det - Kure 3rd SNLF ...
Also attacking 14th Naval Construction Battalion ...
Also attacking Det - Kure 3rd SNLF ...
Also attacking 14th Naval Construction Battalion ...
Also attacking Det - Kure 3rd SNLF ...
Also attacking 14th Naval Construction Battalion ...


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Ground combat at 99,130

Japanese Shock attack

Attacking force 8066 troops, 73 guns, 0 vehicles, Assault Value = 233

Defending force 2956 troops, 30 guns, 1 vehicles, Assault Value = 136

Japanese adjusted assault: 150

Allied adjusted defense: 70

Japanese assault odds: 2 to 1

Combat modifiers
Defender: terrain(+), leaders(+), leaders(-), disruption(-)
fatigue(-)
Attacker: shock(+)

Japanese ground losses:
777 casualties reported
Squads: 1 destroyed, 24 disabled
Non Combat: 1 destroyed, 25 disabled
Engineers: 5 destroyed, 20 disabled


Allied ground losses:
804 casualties reported
Squads: 32 destroyed, 24 disabled
Non Combat: 38 destroyed, 18 disabled
Engineers: 1 destroyed, 0 disabled
Guns lost 4 (2 destroyed, 2 disabled)
Units retreated 1


Defeated Allied Units Retreating!

Assaulting units:
15th Engineer Regiment
Yokoyama Tai
144th Infantry Regiment
Horii Group
I/55 Mtn Gun Rgt

Defending units:
30th Australian Brigade


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Ground combat at Tulagi (114,137)

Japanese Bombardment attack

Attacking force 775 troops, 9 guns, 0 vehicles, Assault Value = 26

Defending force 6000 troops, 108 guns, 30 vehicles, Assault Value = 236



Assaulting units:
Det - Kure 3rd SNLF
14th Naval Construction Battalion
129th JNAF AF Unit

Defending units:
1st USMC Raider Battalion
1st USMC Parachute Battalion
2nd USMC/2nd Regiment


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Ground combat at Lunga (114,138)

Japanese Bombardment attack

Attacking force 1636 troops, 12 guns, 0 vehicles, Assault Value = 76

Defending force 10754 troops, 218 guns, 130 vehicles, Assault Value = 455

Japanese ground losses:
15 casualties reported
Squads: 0 destroyed, 1 disabled
Non Combat: 0 destroyed, 1 disabled
Engineers: 0 destroyed, 0 disabled



Assaulting units:
Kure 3rd Naval Guard Unit
81st Naval Guard Unit
13th Naval Construction Battalion
11th Naval Construction Battalion

Defending units:
1st USMC Amphb Tank Battalion
1st USMC/1st Regiment
1st USMC/5th Regiment
3rd USMC Defense Battalion


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Ground combat at Tulagi (114,137)

Allied Shock attack

Attacking force 6000 troops, 108 guns, 30 vehicles, Assault Value = 236

Defending force 2040 troops, 26 guns, 2 vehicles, Assault Value = 26

Allied adjusted assault: 271

Japanese adjusted defense: 7

Allied assault odds: 38 to 1 (fort level 0)

Allied forces CAPTURE Tulagi !!!

Combat modifiers
Defender: terrain(+), disruption(-), fatigue(-), experience(-)
Attacker: shock(+), supply(-)

Japanese ground losses:
2472 casualties reported
Squads: 8 destroyed, 21 disabled
Non Combat: 48 destroyed, 52 disabled
Engineers: 46 destroyed, 3 disabled
Guns lost 23 (19 destroyed, 4 disabled)
Vehicles lost 2 (2 destroyed, 0 disabled)
Units destroyed 1


Allied ground losses:
10 casualties reported
Squads: 0 destroyed, 2 disabled
Non Combat: 0 destroyed, 0 disabled
Engineers: 0 destroyed, 0 disabled


Assaulting units:
1st USMC Parachute Battalion
1st USMC Raider Battalion
2nd USMC/2nd Regiment

Defending units:
Det - Kure 3rd SNLF
14th Naval Construction Battalion
129th JNAF AF Unit


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Det - Kure 3rd SNLF Wiped Out at Tulagi by attrition!!!

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14th Naval Construction Battalion Wiped Out at Tulagi by attrition!!!

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AFTER ACTION REPORTS FOR Aug 11, 42

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Pre-Invasion action off Lunga
Defensive Guns fire at approaching troops in landing craft

2 Coastal gun shots fired in defense.

Allied Ships
DM Montgomery
AM Skylark

Japanese ground losses:
12 casualties reported
Squads: 0 destroyed, 1 disabled
Non Combat: 0 destroyed, 0 disabled
Engineers: 0 destroyed, 0 disabled



DM Montgomery firing at enemy troops
AM Skylark firing at enemy troops


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Amphibious Assault at Lunga

TF 7 troops unloading over beach at Lunga, 114,138





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ASW attack near Lunga at 114,139

Japanese Ships
SS I-16, hits 2

Allied Ships
DD Conyngham
DD Fanning
DD Dunlap



DD Conyngham fails to find sub, continues to search...
DD Fanning attacking submerged sub ....
DD Dunlap attacking submerged sub ....
DD Conyngham attacking submerged sub ....
DD Fanning fails to find sub, continues to search...
DD Dunlap fails to find sub, continues to search...
Escort abandons search for sub


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Morning Air attack on 52nd USAAF Base Force, at 98,130 (Port Moresby)

Weather in hex: Overcast

Raid detected at 80 NM, estimated altitude 8,000 feet.
Estimated time to target is 28 minutes

Japanese aircraft
A6M2 Zero x 18
G4M1 Betty x 26



Allied aircraft
Kittyhawk IA x 2


Japanese aircraft losses
G4M1 Betty: 11 damaged



Allied ground losses:
59 casualties reported
Squads: 0 destroyed, 0 disabled
Non Combat: 0 destroyed, 8 disabled
Engineers: 0 destroyed, 0 disabled
Guns lost 1 (0 destroyed, 1 disabled)


Aircraft Attacking:
26 x G4M1 Betty bombing from 6000 feet
Ground Attack: 2 x 250 kg GP Bomb, 4 x 60 kg GP Bomb
16 x A6M2 Zero sweeping at 6000 feet

CAP engaged:
No.76 Sqd RAAF with Kittyhawk IA (1 airborne, 0 on standby, 0 scrambling)
(1 plane(s) diverted to support CAP in hex.)
1 plane(s) intercepting now.
0 plane(s) not yet engaged, 1 being recalled, 0 out of immediate contact.
Group patrol altitude is 10000
Time for all group planes to reach interception is 6 minutes

Also attacking 112th RAAF Base Force ...
Also attacking 52nd USAAF Base Force ...


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Morning Air attack on Yokoyama Tai , at 99,130

Weather in hex: Clear sky

Raid spotted at 19 NM, estimated altitude 8,000 feet.
Estimated time to target is 6 minutes


Allied aircraft
Beaufort V x 4
Kittyhawk IA x 11
B-17E Fortress x 5


Allied aircraft losses
Beaufort V: 1 damaged
B-17E Fortress: 2 damaged

Japanese ground losses:
68 casualties reported
Squads: 0 destroyed, 4 disabled
Non Combat: 0 destroyed, 2 disabled
Engineers: 0 destroyed, 3 disabled



Aircraft Attacking:
4 x Beaufort V bombing from 6000 feet
Ground Attack: 4 x 500 lb GP Bomb
5 x B-17E Fortress bombing from 6000 feet *
Ground Attack: 4 x 500 lb GP Bomb

Also attacking 144th Infantry Regiment ...
Also attacking 15th Engineer Regiment ...


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Morning Air attack on 144th Infantry Regiment, at 99,130

Weather in hex: Clear sky

Raid spotted at 18 NM, estimated altitude 6,000 feet.
Estimated time to target is 5 minutes


Allied aircraft
B-17E Fortress x 1


No Allied losses

Japanese ground losses:
8 casualties reported
Squads: 0 destroyed, 0 disabled
Non Combat: 0 destroyed, 1 disabled
Engineers: 0 destroyed, 0 disabled



Aircraft Attacking:
1 x B-17E Fortress bombing from 6000 feet *
Ground Attack: 4 x 500 lb GP Bomb

Also attacking Horii Group ...


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Morning Air attack on I/55 Mtn Gun Rgt , at 99,130

Weather in hex: Clear sky

Raid spotted at 22 NM, estimated altitude 12,000 feet.
Estimated time to target is 6 minutes


Allied aircraft
P-39D Airacobra x 10


No Allied losses

Japanese ground losses:
8 casualties reported
Squads: 0 destroyed, 0 disabled
Non Combat: 0 destroyed, 1 disabled
Engineers: 0 destroyed, 0 disabled



Aircraft Attacking:
10 x P-39D Airacobra diving from 10000'
Ground Attack: 1 x 500 lb GP Bomb



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Morning Air attack on I/55 Mtn Gun Rgt , at 99,130

Weather in hex: Clear sky

Raid spotted at 29 NM, estimated altitude 12,000 feet.
Estimated time to target is 8 minutes


Allied aircraft
P-39D Airacobra x 18


No Allied losses

Japanese ground losses:
42 casualties reported
Squads: 0 destroyed, 0 disabled
Non Combat: 0 destroyed, 6 disabled
Engineers: 0 destroyed, 0 disabled



Aircraft Attacking:
16 x P-39D Airacobra diving from 10000'
Ground Attack: 1 x 500 lb GP Bomb
2 x P-39D Airacobra diving from 10000'
Ground Attack: 1 x 500 lb GP Bomb

Also attacking 144th Infantry Regiment ...
Also attacking I/55 Mtn Gun Rgt ...


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Morning Air attack on 144th Infantry Regiment, at 99,130

Weather in hex: Clear sky

Raid spotted at 18 NM, estimated altitude 11,000 feet.
Estimated time to target is 5 minutes


Allied aircraft
B-17E Fortress x 4


Allied aircraft losses
B-17E Fortress: 2 damaged

Japanese ground losses:
16 casualties reported
Squads: 0 destroyed, 0 disabled
Non Combat: 0 destroyed, 2 disabled
Engineers: 0 destroyed, 0 disabled
Guns lost 1 (0 destroyed, 1 disabled)



Aircraft Attacking:
4 x B-17E Fortress bombing from 6000 feet *
Ground Attack: 4 x 500 lb GP Bomb



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Afternoon Air attack on Kure 3rd Naval Guard Unit, at 114,138 (Lunga)

Weather in hex: Clear sky

Raid spotted at 26 NM, estimated altitude 18,000 feet.
Estimated time to target is 10 minutes


Allied aircraft
F4F-4 Wildcat x 15
SBD-3 Dauntless x 18


Allied aircraft losses
SBD-3 Dauntless: 1 damaged

Japanese ground losses:
64 casualties reported
Squads: 0 destroyed, 4 disabled
Non Combat: 0 destroyed, 2 disabled
Engineers: 0 destroyed, 0 disabled
Guns lost 1 (0 destroyed, 1 disabled)



Aircraft Attacking:
18 x SBD-3 Dauntless diving from 10000'
Ground Attack: 1 x 1000 lb GP Bomb



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Ground combat at Lunga (114,138)

Japanese Bombardment attack

Attacking force 1621 troops, 12 guns, 0 vehicles, Assault Value = 73

Defending force 10787 troops, 218 guns, 130 vehicles, Assault Value = 456

Japanese ground losses:
50 casualties reported
Squads: 0 destroyed, 2 disabled
Non Combat: 1 destroyed, 1 disabled
Engineers: 0 destroyed, 0 disabled



Assaulting units:
Kure 3rd Naval Guard Unit
81st Naval Guard Unit
13th Naval Construction Battalion
11th Naval Construction Battalion

Defending units:
1st USMC Amphb Tank Battalion
1st USMC/1st Regiment
1st USMC/5th Regiment
3rd USMC Defense Battalion

IJN carrier flak was atrocious in mid 1942. Even CVs equiped with the most advanced Type 94 fire control system and 5"/40 AA guns had difficulty engaging divebombers before they reached their pushover point. The 25mm light AA guns had only a 4 second burst before requiring reload and while useful against 2 dimensional targets( ie torpedo bombers) were ineffective against 3 dimensional targets such as dive bombers. According to "Shattered Sword" on the climatic air battle off Midway on June 4th, "Of the 146 American aircraft lost to all causes on 4 June, only two would be confirmed victims of Japanese antiaircraft fire". "Indeed, more American aircraft were lost in landing accidents than from Japanese flak."