AFTER ACTION REPORTS FOR May 04, 42 -------------------------------------------------------------------------------- Submarine attack near Singkawang at 55,86 Japanese Ships xAK Atlantic Maru Allied Ships SS O23 xAK Atlantic Maru is sighted by SS O23 SS O23 launches 2 torpedoes -------------------------------------------------------------------------------- Submarine attack near Singkawang at 55,86 Japanese Ships xAK Atlantic Maru Allied Ships SS O23, hits 3 xAK Atlantic Maru is sighted by SS O23 SS O23 attacking on the surface Valkenburg, A.M. decides to submerge SS O23 due to damage -------------------------------------------------------------------------------- Sub attack near San Francisco at 216,72 Japanese Ships SS I-4 Allied Ships YP-116, Torpedo hits 1, on fire, heavy damage YP-143 SS I-4 launches 2 torpedoes at YP-116 YP-143 fails to find sub, continues to search... YP-143 fails to find sub, continues to search... YP-143 fails to find sub, continues to search... YP-143 fails to find sub, continues to search... YP-143 fails to find sub, continues to search... Escort abandons search for sub -------------------------------------------------------------------------------- Sub attack near San Francisco at 216,71 Japanese Ships SS I-25 Allied Ships PC Jackson SS I-25 launches 2 torpedoes at PC Jackson I-25 diving deep .... PC Jackson fails to find sub, continues to search... PC Jackson fails to find sub, continues to search... PC Jackson fails to find sub, continues to search... PC Jackson fails to find sub, continues to search... PC Jackson fails to find sub, continues to search... Escort abandons search for sub -------------------------------------------------------------------------------- Morning Air attack on 53rd British Brigade, at 50,83 (Johore Bahru) Weather in hex: Light rain Raid spotted at 20 NM, estimated altitude 7,000 feet. Estimated time to target is 7 minutes Japanese aircraft G4M1 Betty x 21 Japanese aircraft losses G4M1 Betty: 2 damaged Allied ground losses: 5 casualties reported Squads: 0 destroyed, 1 disabled Non Combat: 0 destroyed, 0 disabled Engineers: 0 destroyed, 0 disabled Aircraft Attacking: 21 x G4M1 Betty bombing from 5000 feet Ground Attack: 2 x 250 kg GP Bomb, 4 x 60 kg GP Bomb Also attacking 27th Australian Brigade ... Also attacking 53rd British Brigade ... Also attacking 27th Australian Brigade ... Also attacking 53rd British Brigade ... -------------------------------------------------------------------------------- Morning Air attack on 51st PA Infantry Division, at 80,78 (Mauban) Weather in hex: Heavy rain Raid spotted at 17 NM, estimated altitude 11,000 feet. Estimated time to target is 5 minutes Japanese aircraft G3M2 Nell x 36 G4M1 Betty x 24 No Japanese losses Allied ground losses: 38 casualties reported Squads: 0 destroyed, 0 disabled Non Combat: 1 destroyed, 5 disabled Engineers: 0 destroyed, 0 disabled Aircraft Attacking: 15 x G4M1 Betty bombing from 10000 feet Ground Attack: 2 x 250 kg GP Bomb, 4 x 60 kg GP Bomb 9 x G4M1 Betty bombing from 10000 feet Ground Attack: 2 x 250 kg GP Bomb, 4 x 60 kg GP Bomb 17 x G3M2 Nell bombing from 10000 feet Ground Attack: 2 x 250 kg GP Bomb, 4 x 60 kg GP Bomb 19 x G3M2 Nell bombing from 10000 feet Ground Attack: 2 x 250 kg SAP Bomb, 4 x 60 kg GP Bomb Also attacking Asiatic Fleet ... Also attacking USAFFE ... Also attacking 51st PA Infantry Division ... Also attacking Asiatic Fleet ... Also attacking USAFFE ... Also attacking Asiatic Fleet ... Also attacking USAFFE ... Also attacking 51st PA Infantry Division ... Also attacking Asiatic Fleet ... Also attacking 51st PA Infantry Division ... Also attacking USAFFE ... Also attacking Asiatic Fleet ... Also attacking USAFFE ... -------------------------------------------------------------------------------- Morning Air attack on TF, near Toboali at 50,93 Weather in hex: Overcast Raid spotted at 17 NM, estimated altitude 7,000 feet. Estimated time to target is 7 minutes Allied aircraft Wirraway x 2 No Allied losses Japanese Ships xAK Daigen Maru Aircraft Attacking: 2 x Wirraway bombing from 5000 feet Naval Attack: 2 x 100 lb GP Bomb -------------------------------------------------------------------------------- Morning Air attack on USAFFE , at 80,78 (Mauban) Weather in hex: Heavy rain Raid spotted at 18 NM, estimated altitude 5,000 feet. Estimated time to target is 6 minutes Japanese aircraft Ki-27b Nate x 28 Ki-51 Sonia x 11 No Japanese losses Aircraft Attacking: 11 x Ki-51 Sonia bombing from 5000 feet Ground Attack: 4 x 50 kg GP Bomb Also attacking 31st PA Infantry Division ... Also attacking USAFFE ... -------------------------------------------------------------------------------- Morning Air attack on 44th Indian Brigade, at 50,83 (Johore Bahru) Weather in hex: Light rain Raid spotted at 19 NM, estimated altitude 5,000 feet. Estimated time to target is 5 minutes Japanese aircraft Ki-21-IIa Sally x 26 Ki-43-Ic Oscar x 8 Japanese aircraft losses Ki-21-IIa Sally: 2 damaged Allied ground losses: 55 casualties reported Squads: 1 destroyed, 1 disabled Non Combat: 0 destroyed, 11 disabled Engineers: 0 destroyed, 0 disabled Aircraft Attacking: 9 x Ki-21-IIa Sally bombing from 5000 feet Ground Attack: 4 x 250 kg GP Bomb 11 x Ki-21-IIa Sally bombing from 5000 feet Ground Attack: 4 x 250 kg GP Bomb 6 x Ki-21-IIa Sally bombing from 5000 feet Ground Attack: 4 x 250 kg GP Bomb Also attacking 54th British Brigade ... Also attacking 44th Indian Brigade ... Also attacking 54th British Brigade ... Also attacking 44th Indian Brigade ... Also attacking 54th British Brigade ... -------------------------------------------------------------------------------- Morning Air attack on Tjilitap Base Force, at 51,102 (Tjilatjap) Weather in hex: Severe storms Raid detected at 32 NM, estimated altitude 11,000 feet. Estimated time to target is 9 minutes Japanese aircraft Ki-21-IIa Sally x 15 Allied aircraft P-40E Warhawk x 2 Japanese aircraft losses Ki-21-IIa Sally: 1 damaged No Allied losses Allied ground losses: 6 casualties reported Squads: 0 destroyed, 0 disabled Non Combat: 0 destroyed, 1 disabled Engineers: 0 destroyed, 0 disabled Aircraft Attacking: 15 x Ki-21-IIa Sally bombing from 10000 feet Ground Attack: 4 x 250 kg GP Bomb CAP engaged: 3-VI.G.V with P-40E Warhawk (2 airborne, 0 on standby, 0 scrambling) 2 plane(s) intercepting now. Group patrol altitude is 25000 Raid is overhead -------------------------------------------------------------------------------- Morning Air attack on Lark Battalion, at 102,126 (Arawe) Weather in hex: Heavy cloud Raid spotted at 14 NM, estimated altitude 6,000 feet. Estimated time to target is 4 minutes Japanese aircraft A6M2 Zero x 24 Ki-48-Ib Lily x 25 Japanese aircraft losses Ki-48-Ib Lily: 1 damaged Allied ground losses: 6 casualties reported Squads: 0 destroyed, 0 disabled Non Combat: 0 destroyed, 1 disabled Engineers: 0 destroyed, 0 disabled Aircraft Attacking: 25 x Ki-48-Ib Lily bombing from 5000 feet Ground Attack: 4 x 100 kg GP Bomb -------------------------------------------------------------------------------- Morning Air attack on 80th Chinese Corps, at 87,43 (Loyang) Weather in hex: Moderate rain Raid spotted at 25 NM, estimated altitude 16,000 feet. Estimated time to target is 8 minutes Japanese aircraft Ki-21-Ic Sally x 30 No Japanese losses Allied ground losses: 48 casualties reported Squads: 0 destroyed, 4 disabled Non Combat: 0 destroyed, 2 disabled Engineers: 0 destroyed, 1 disabled Aircraft Attacking: 15 x Ki-21-Ic Sally bombing from 15000 feet * Ground Attack: 2 x 250 kg GP Bomb 15 x Ki-21-Ic Sally bombing from 10000 feet * Ground Attack: 2 x 250 kg GP Bomb -------------------------------------------------------------------------------- Morning Air attack on Singapore Fortress, at 50,84 (Singapore) Weather in hex: Severe storms Raid detected at 37 NM, estimated altitude 12,000 feet. Estimated time to target is 11 minutes Japanese aircraft Ki-48-Ib Lily x 22 Japanese aircraft losses Ki-48-Ib Lily: 7 damaged Allied ground losses: 6 casualties reported Squads: 0 destroyed, 0 disabled Non Combat: 0 destroyed, 0 disabled Engineers: 0 destroyed, 1 disabled Aircraft Attacking: 9 x Ki-48-Ib Lily bombing from 10000 feet Ground Attack: 4 x 100 kg GP Bomb 13 x Ki-48-Ib Lily bombing from 10000 feet Ground Attack: 4 x 100 kg GP Bomb -------------------------------------------------------------------------------- Morning Air attack on Nanchang , at 85,54 Weather in hex: Heavy cloud Raid spotted at 20 NM, estimated altitude 25,000 feet. Estimated time to target is 5 minutes Allied aircraft H81-A3 x 11 No Allied losses Aircraft Attacking: 11 x H81-A3 sweeping at 25000 feet -------------------------------------------------------------------------------- Morning Air attack on 146th Infantry Regiment, at 49,98 (Batavia) Weather in hex: Severe storms Raid spotted at 15 NM, estimated altitude 6,000 feet. Estimated time to target is 4 minutes Japanese aircraft A6M2 Zero x 1 Allied aircraft B-25C Mitchell x 3 No Japanese losses No Allied losses Aircraft Attacking: 3 x B-25C Mitchell bombing from 5000 feet * Ground Attack: 3 x 500 lb GP Bomb CAP engaged: 3rd Ku S-1 with A6M2 Zero (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 15000 Raid is overhead -------------------------------------------------------------------------------- Morning Air attack on 146th Infantry Regiment, at 49,98 (Batavia) Weather in hex: Severe storms Raid spotted at 20 NM, estimated altitude 25,000 feet. Estimated time to target is 7 minutes Allied aircraft P-40E Warhawk x 1 No Allied losses Aircraft Attacking: 1 x P-40E Warhawk sweeping at 25000 feet -------------------------------------------------------------------------------- Morning Air attack on 1st RTA Division, at 57,50 (Toungoo) Weather in hex: Overcast Raid spotted at 19 NM, estimated altitude 15,000 feet. Estimated time to target is 6 minutes Japanese aircraft Ki-27b Nate x 3 Allied aircraft Blenheim IV x 18 No Japanese losses No Allied losses Aircraft Attacking: 10 x Blenheim IV bombing from 15000 feet * Ground Attack: 2 x 250 lb GP Bomb 8 x Blenheim IV bombing from 15000 feet * Ground Attack: 2 x 250 lb GP Bomb CAP engaged: 77th Sentai with Ki-27b Nate (3 airborne, 0 on standby, 0 scrambling) (3 plane(s) diverted to support CAP in hex.) 3 plane(s) intercepting now. Group patrol altitude is 15000 Raid is overhead -------------------------------------------------------------------------------- Morning Air attack on 1st RTA Division, at 57,50 (Toungoo) Weather in hex: Overcast Raid spotted at 13 NM, estimated altitude 7,000 feet. Estimated time to target is 2 minutes Japanese aircraft Ki-27b Nate x 2 Allied aircraft H81-A3 x 13 Hurricane IIb Trop x 24 Japanese aircraft losses Ki-27b Nate: 1 destroyed Allied aircraft losses Hurricane IIb Trop: 3 damaged Aircraft Attacking: 12 x Hurricane IIb Trop bombing from 2000 feet * Ground Attack: 2 x 250 lb GP Bomb 12 x Hurricane IIb Trop bombing from 2000 feet * Ground Attack: 2 x 250 lb GP Bomb 4 x H81-A3 sweeping at 25000 feet CAP engaged: 77th Sentai with Ki-27b Nate (1 airborne, 0 on standby, 0 scrambling) (1 plane(s) diverted to support CAP in hex.) 1 plane(s) intercepting now. 1 plane(s) not yet engaged, 0 being recalled, 0 out of immediate contact. Group patrol altitude is 15000 , scrambling fighters to 15000. Time for all group planes to reach interception is 82 minutes Also attacking 14th Tank Regiment ... Also attacking 1st RTA Division ... -------------------------------------------------------------------------------- Afternoon Air attack on Port Moresby , at 98,130 Weather in hex: Moderate rain Raid detected at 41 NM, estimated altitude 10,000 feet. Estimated time to target is 14 minutes Japanese aircraft A6M3 Zero x 6 G4M1 Betty x 9 Japanese aircraft losses G4M1 Betty: 1 damaged Port hits 2 Aircraft Attacking: 9 x G4M1 Betty bombing from 5000 feet Port Attack: 2 x 250 kg SAP Bomb, 4 x 60 kg GP Bomb -------------------------------------------------------------------------------- Afternoon Air attack on TF, near Toboali at 50,93 Weather in hex: Overcast Raid spotted at 20 NM, estimated altitude 9,000 feet. Estimated time to target is 8 minutes Allied aircraft Wirraway x 2 No Allied losses Japanese Ships xAK Muroran Maru Aircraft Attacking: 2 x Wirraway bombing from 5000 feet Naval Attack: 2 x 100 lb GP Bomb -------------------------------------------------------------------------------- Afternoon Air attack on Port Moresby , at 98,130 Weather in hex: Moderate rain Raid detected at 63 NM, estimated altitude 7,000 feet. Estimated time to target is 22 minutes Japanese aircraft A5M4 Claude x 5 A6M2 Zero x 5 B5N2 Kate x 9 G4M1 Betty x 33 Japanese aircraft losses G4M1 Betty: 1 damaged Port hits 6 Port supply hits 2 Aircraft Attacking: 33 x G4M1 Betty bombing from 5000 feet Port Attack: 2 x 250 kg SAP Bomb, 4 x 60 kg GP Bomb 9 x B5N2 Kate bombing from 5000 feet Port Attack: 2 x 250 kg SAP Bomb -------------------------------------------------------------------------------- Afternoon Air attack on Arawe , at 102,126 Weather in hex: Clear sky Raid spotted at 16 NM, estimated altitude 12,000 feet. Estimated time to target is 5 minutes Japanese aircraft A6M2 Zero x 12 D3A1 Val x 6 No Japanese losses Port hits 1 Aircraft Attacking: 2 x D3A1 Val releasing from 1000' Port Attack: 1 x 250 kg GP Bomb 4 x D3A1 Val releasing from 2000' Port Attack: 1 x 250 kg GP Bomb -------------------------------------------------------------------------------- Afternoon Air attack on 11th Chinese Base Force, at 79,57 (Kukong) Weather in hex: Clear sky Raid spotted at 17 NM, estimated altitude 21,000 feet. Estimated time to target is 5 minutes Japanese aircraft Ki-48-Ib Lily x 4 Ki-51 Sonia x 8 No Japanese losses Aircraft Attacking: 8 x Ki-51 Sonia bombing from 15000 feet Ground Attack: 4 x 50 kg GP Bomb 4 x Ki-48-Ib Lily bombing from 10000 feet Ground Attack: 4 x 100 kg GP Bomb -------------------------------------------------------------------------------- Afternoon Air attack on 53rd British Brigade, at 50,83 (Johore Bahru) Weather in hex: Heavy rain Raid spotted at 14 NM, estimated altitude 10,000 feet. Estimated time to target is 4 minutes Japanese aircraft Ki-21-IIa Sally x 6 Ki-43-Ic Oscar x 16 No Japanese losses Allied ground losses: 6 casualties reported Squads: 0 destroyed, 0 disabled Non Combat: 0 destroyed, 1 disabled Engineers: 0 destroyed, 0 disabled Aircraft Attacking: 6 x Ki-21-IIa Sally bombing from 10000 feet * Ground Attack: 2 x 250 kg GP Bomb -------------------------------------------------------------------------------- Afternoon Air attack on Sibolga , at 44,79 Weather in hex: Heavy cloud Raid spotted at 45 NM, estimated altitude 26,000 feet. Estimated time to target is 13 minutes Allied aircraft Fulmar II x 3 No Allied losses Aircraft Attacking: 3 x Fulmar II sweeping at 25000 feet * -------------------------------------------------------------------------------- Afternoon Air attack on TF, near San Francisco at 216,70 Weather in hex: Clear sky Raid spotted at 17 NM, estimated altitude 18,000 feet. Estimated time to target is 4 minutes Allied aircraft P-39D Airacobra x 9 No Allied losses Japanese Ships SS I-15 Aircraft Attacking: 3 x P-39D Airacobra bombing from 15000 feet Naval Attack: 1 x 500 lb SAP Bomb -------------------------------------------------------------------------------- ASW attack near Tanna at 120,157 Japanese Ships SS RO-60, hits 2 Allied Ships DD Morris SS RO-60 launches 6 torpedoes at DD Morris RO-60 bottoming out .... DD Morris fails to find sub, continues to search... DD Morris attacking submerged sub .... DD Morris fails to find sub, continues to search... DD Morris fails to find sub, continues to search... DD Morris fails to find sub, continues to search... Escort abandons search for sub -------------------------------------------------------------------------------- ASW attack near Wake Island at 136,98 Japanese Ships PB Hakata Maru #2 Allied Ships SS S-42, hits 5 SS S-42 is sighted by escort PB Hakata Maru #2 fails to find sub, continues to search... PB Hakata Maru #2 attacking submerged sub .... PB Hakata Maru #2 fails to find sub, continues to search... PB Hakata Maru #2 fails to find sub, continues to search... PB Hakata Maru #2 fails to find sub, continues to search... Escort abandons search for sub -------------------------------------------------------------------------------- ASW attack near Aogashima at 110,65 Japanese Ships PB Chohakusan Maru Allied Ships SS Sailfish SS Sailfish is sighted by escort Sailfish diving deep .... PB Chohakusan Maru fails to find sub, continues to search... PB Chohakusan Maru fails to find sub, continues to search... PB Chohakusan Maru fails to find sub, continues to search... PB Chohakusan Maru fails to find sub, continues to search... PB Chohakusan Maru fails to find sub, continues to search... Escort abandons search for sub -------------------------------------------------------------------------------- Ground combat at Mauban (80,78) Japanese Bombardment attack Attacking force 76673 troops, 963 guns, 281 vehicles, Assault Value = 2324 Defending force 32037 troops, 353 guns, 106 vehicles, Assault Value = 418 Allied ground losses: 117 casualties reported Squads: 2 destroyed, 13 disabled Non Combat: 0 destroyed, 0 disabled Engineers: 0 destroyed, 1 disabled Assaulting units: 1st Formosa Inf. Regiment 56th Recon Regiment 21st/A Division 20th Infantry Regiment 66th Infantry Group 56th Engineer Regiment 65th Brigade 2nd Tank Regiment 38th Division 47th Infantry Regiment 148th Infantry Regiment 33rd Division 53rd Division 21st/B Division 9th Field AF Construction Battalion 2nd Field Artillery Regiment 2nd Ind.Art.Mortar Battalion 56th Field Artillery Regiment 15th Ind.Art.Mortar Battalion 9th Ind.Hvy.Art. Battalion 8th Medium Field Artillery Regiment 2nd Mortar Battalion 2nd Ind.Hvy.Art. Battalion 10th Ind. Mountain Gun Regiment 3rd Ind. Engineer Regiment 1st Medium Field Artillery Regiment 21st Ind. Engineer Regiment 3rd Construction Battalion 3rd Ind.Hvy.Art. Battalion 48th Field Artillery Regiment 56th Const Co 20th Ind. Mtn Gun Battalion 1st Hvy.Artillery Rgt /1 Defending units: 51st PA Infantry Division 31st PA Infantry Division 41st PA Infantry Division 71st PA Infantry Division 57th PS Infantry Regimental Combat Team 4th Marine Regiment 91st PA Infantry Division 31st Infantry Regiment 1st PA Infantry Division 2nd PA Constblry HW Regiment II Philippine Corps Corps 2nd PA Constabulary Regiment Far East USAAF Asiatic Fleet 26th PS Cavalry Regiment 1st PA Constabulary Regiment I Philippine Corps Corps USAFFE 11th PA Infantry Division 3rd/45th PS Inf Battalion 2nd/45th PS Inf Battalion 4th PA Constabulary Regiment -------------------------------------------------------------------------------- Ground combat at Nanchang (85,54) Allied Bombardment attack Attacking force 39870 troops, 290 guns, 0 vehicles, Assault Value = 1287 Defending force 21527 troops, 158 guns, 118 vehicles, Assault Value = 708 Japanese ground losses: 15 casualties reported Squads: 0 destroyed, 2 disabled Non Combat: 0 destroyed, 0 disabled Engineers: 0 destroyed, 0 disabled Assaulting units: 21st Chinese Corps 78th Chinese Corps 50th Chinese Corps 72nd Chinese Corps 49th Chinese Corps 3rd New Chinese Corps 30th Group Army Defending units: 55th Infantry Brigade 39th Division 23rd RGC Temp. Division 17th JAAF Base Force