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The FReeper Foxhole Remembers The Bougainville Campaign (11/1/1943 - 9/3/1945) - Oct 21st, 2003
http://www.chinfo.navy.mil/navpalib/wwii/facts/bougbttl.txt ^ | JO1 Lorraine Ramsdell

Posted on 10/21/2003 12:02:11 AM PDT by SAMWolf



Lord,

Keep our Troops forever in Your care

Give them victory over the enemy...

Grant them a safe and swift return...

Bless those who mourn the lost.
.

FReepers from the Foxhole join in prayer
for all those serving their country at this time.


...................................................................................... ...........................................

U.S. Military History, Current Events and Veterans Issues

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Battle of Bougainville


The Solomon Islands campaign began with the taking of Guadalcanal in December 1942. In February 1943 the Russell Islands fell, and the New Georgia group followed in August 1943. At the end of 1943, the campaign reached its goal when American troops gained a solid foothold on the island of Bougainville. The Russells, New Georgia and Bougainville were objectives because of their value as air bases.



Objective: Isolate Rabaul


The objective of the Solomon Islands campaign was to cut off Japan's major forward air and naval base at Rabaul, on the island of New Britain. Rabaul was the hub of Japanese air power in the south Pacific--a stopping point for planes coming from New Guinea in the southwest and Truk, the home of the Japanese Combined Fleet, in the south central Pacific. Bougainville was key to neutralizing Rabaul.

Preliminary Attacks


The first attack on Bougainville occurred Aug. 15, 1943. Eight Corsairs from Marine Fighter Squadron 214 (later known as the Black Sheep) flew up from the Russell Islands to strafe the Kahili airfield during American amphibious landings on the island of Vella Lavella. The lightning strike--a surprise so complete the Japanese did not have time to shoot back--damaged aircraft and refueling equipment on the ground and forestalled a night attack on the American amphibious force.



The Solomon Islands air defenses (AirSols), including units from the Navy, Marine Corps, Army and Royal New Zealand Air Force, made many air strikes in October on Bougainville and nearby islands. Although some strikes were designed to keep the enemy guessing as to the Marines' intended landing point, most were planned to reduce air opposition to the Bougainville landings when they finally occurred.

Diversions


Two diversionary amphibious landings were made the night of Oct. 27-28: the 2nd Marine Parachute Battalion landed on Choiseul; and New Zealand's 8th Brigade, together with Navy Seabees (U.S. Naval Construction Battalions), made an unopposed landing on the Treasury Islands on Oct. 27. Both operations served their primary purpose of drawing Japanese troops away from Bougainville, but the positions gained in the Treasuries, including valuable Blanche Harbor, were held and strengthened to provide staging for the landings on Bougainville. The Marines left Choiseul by landing craft after a week of harassing Japanese troops and damaging barge and supply bases.

D-Day: Nov. 1, 1943


Admiral William F. Halsey, Commander South Pacific, ordered Task Force 39 (which included four cruisers and the eight destroyers of Captain Arleigh Burke's Destroyer Squadron 23), under Rear Admiral A.S. Merrill, to bombard airfields on Buka and Bonis northwest of Bougainville. He intended the bombardments to keep the enemy off-balance and prevent air harassment of the landing force. The task force then steamed more than 200 miles to strike at the Shortland Islands, while Rear Admiral F.C. Sherman's Task Force 38 took over the bombardment of Buka, eliminating the threat from those airfields.


U.S. troops go over the side of a Coast Guard manned combat transport to enter the landing barges at Empress Augusta Bay, Bougainville, as the invasion gets under way.


The actual landing by the 3rd Marine Division at Empress Augusta Bay took place at dawn Nov. 1. The bay, located at some distance from the heavily defended airfields at either end of the island, had what appeared to be the most suitable beaches for a landing. The plan was to establish a beachhead, then bring in supplies and equipment to build a landing strip for fighters.

Invasion forces consisted of 14,321 troops (including the 1st Marine Dog Platoon with their 24 Dobermans and German shepherds) in 12 transports, preceded by a minesweeper group. Destroyer Squadron 45, four minelayers and two salvage tugs provided further support.

The landing met with several obstacles. The Japanese defense of the beaches was stronger than anticipated. The 40,000 troops on the island had been reported stationed mainly around the airfields, and aerial reconnaissance photos did not reveal the extensive system of bunkers in the jungles above the beaches. The Marines who landed west of the mouth of the Koromokina River encountered steep slopes and shoals on which more than 80 of their amphibious craft foundered. Those landing east of the Koromokina were caught in crossfire from machine guns on the offshore islet of Puruata and on Cape Torokina east of the beach. A small contingent of Marines knocked out the gun emplacement on the cape after it had destroyed or damaged 14 landing craft; the 3d Marine Raiders captured Puruata.


A typical Japanese pillbox


The landing force drove away the rest of the Japanese defenders, while the dog platoon, moving ahead of the main body, sniffed out snipers along the trails of the bog-ridden jungle.

In spite of the resistance, and two Japanese air assaults launched from Rabaul bases during the day (which were driven off by AirSols fighters), the Marines succeeded. By nightfall, all 14,000 troops, together with 6,200 tons of fuel, rations, and ammunition, were landed along a 200-yard perimeter.

Battle of Empress Augusta Bay


The evening of the landing, Army reconnaissance aircraft reported that a large Japanese surface force was heading for Bougainville. Task Force 39 intercepted it about 2:30 the following morning 45 miles west of Empress Augusta Bay. The American ships, executing maneuvers at breakneck speeds in the darkness to avoid Japanese long-range torpedoes, sank two enemy ships after three hours of heavy fire. With two other ships damaged in collisions while trying to avoid American torpedoes, the scattered Japanese chose to retreat. The American force had only two ships hit, both of which sustained moderate damage.

The Japanese Response


The initial Japanese reaction to the Bougainville landing was to send a force of 19 ships to strengthen Rabaul. However, a Nov. 5 air attack from Task Force 38 heavily damaged seven cruisers and two destroyers, prompting the withdrawal of the cruisers and eliminating worries about surface attacks on the Bougainville amphibious forces.



Even so, the night of Nov. 6-7, four Japanese destroyers eluded the Americans and landed 475 troops west of the Marine beachhead. The Japanese hoped to catch the Marines between them and the other troops on the island, but the enemy forces never coordinated their actions. The Marines routed out the counter-landing detachment after two days of artillery barrages. Fewer than 100 Japanese escaped into the jungle; the rest were killed. The Marines sustained under 50 casualties.

Another punishing attack from Task Force 38 on Rabaul Nov. 11 cost the Japanese 68 fighters and three ships. Nevertheless, Japanese carrier air groups from Rabaul made repeated attacks on the American landing force and the U.S. Navy ships, which continued to ferry in reinforcements, supplies and munitions. The strikes did little damage to the American forces, but the Japanese lost so many planes--121 out of 173--that the remaining carrier-based squadrons were withdrawn Nov. 13.

By that time, the Americans had landed nearly 34,000 troops and over 23,000 tons of cargo on Bougainville, widened the beachhead 7,000 yards, and moved 5,000 yards inland through dense, difficult mangrove swamps.


Blood plasma literally puts new life into the veins of a wounded Marine at Bougainville. Donated in the United States, and often flown to the front, plasma saves countless lives that would be lost without it.


Even though two airfields were under construction and the Marines were expanding their perimeter in search of a site to build a bomber strip, the Japanese army commander on Bougainville still believed that the landing was a feint. He continued to think that the primary targets were Buka to the north and the Buin section of the island to the southeast. Thus, no Japanese forces were withdrawn from either end of the island to root out the American invasion, and the Americans had the opportunity to solidify their positions.

Holidays in the Solomons


On Thanksgiving Day, Nov. 25, Burke's DesRon 23 fought the Battle of Cape St. George, sinking three Japanese vessels out of five sent with troops to reinforce Buka. The American ships suffered no hits at all. The same day, the Marines pushing inland along the Piva River virtually destroyed the 23rd Imperial Infantry in the Battle of Piva Forks. This was the last major Japanese ground resistance on Bougainville.

On Christmas Day, the Army's Americal Division arrived on Bougainville to relieve the 3rd Marine Division. Marine Major General R.J. Mitchell, ComAirSols, moved his headquarters to Bougainville to direct the final air campaign against Rabaul, only 220 miles away. Within a month, the base at Rabaul was of no further use to the Japanese.


Negro troops of the 24th Infantry, attached to the Americal Division, wait to advance behind a tank assault on the Japanese, along Empress Augusta Bay on Bougainville.


American troops continued to occupy Bougainville, and contain dwindling Japanese troops, until relieved by Australian II Corps troops in late 1944. The Australians attempted to clear the entire island of Japanese, incurring heavy casualties. The end of the Pacific war brought and end to action on Bougainville.

Campaign Results


The Bougainville campaign remains one of the most resounding successes of the war in the Pacific in terms of the smooth coordination between the Navy and Marine Corps.

The capture of Bougainville successfully isolated Rabaul. In the fight for Bougainville, the Japanese expended more of their air units than they could afford to lose. The Bougainville airstrips constructed at Torokina and Piva by Seabees and engineers made possible fighter-escorted bomber attacks against Rabaul, and other Japanese bases on New Ireland and New Britain.


Navajo Codetalkers on Bougainville


In December 1943, AirSols began a massive attack on Rabaul. The ensuing two months of constant air strikes, made possible by the possession of Bougainville, caused the Japanese to withdraw.

The capture of Bougainville caused Marine casualties of 423 dead and 1,418 wounded.



TOPICS: VetsCoR
KEYWORDS: americaldivision; australians; bougainville; freeperfoxhole; japan; marines; michaeldobbs; pacific; veterans; wwii
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To: SAMWolf
Actually, I'm not sure I agree with this author's assertion of a Japanese gun advantage. I don't have throw weight data here that I have at home, but I'd bet 4 USN CLs (64 barrels of 6") could put out a greater wight of shells per minute than 2 IJN CAs (20 barrels of 8") just due to their greater rate of fire. That's exactly why at this stage of the war we had no 8" cruisers in the Solomons . Their rate of fire was found to be too slow (and most had been sunk or damaged by the Japanese earlier).

But in this case the amount of shells put out didn't matter. After they obliterated SENDAI, they couldn't hit crap the rest of the battle.
101 posted on 10/21/2003 8:30:09 PM PDT by GATOR NAVY
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To: snippy_about_it
Howdy snippy. Watching game 3 at lunch right now. Go fish! (actually I have no feelings either way about the Marlins. I just hate the Yankees)
102 posted on 10/21/2003 8:33:01 PM PDT by GATOR NAVY
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To: snippy_about_it
Good to see ya, snippy! Dogs are the greatest.

The dog we have now is the world's biggest chicken. He literally is afraid of shadows. The family joke is that he sees dead people. We keep telling him that God made him strong so that he could protect his sheep, but he just cowers behind us. :^) That is unless someone upsets Samwise Jr.--then look out! He is the most peculiar dog I have ever known.
103 posted on 10/21/2003 8:35:54 PM PDT by Samwise (There are other forces at work in this world, Frodo, besides the will of evil.)
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To: GATOR NAVY
I have to agree with you. Of course I was an Indians fan until Jacobs sold the team. I haven't watched any baseball for two years now. :(

What the heck, I'm addicted to the Foxhole now!

Good to see you "fall in".
104 posted on 10/21/2003 8:36:00 PM PDT by snippy_about_it (Fall in --> The FReeper Foxhole. America's History. America's Soul.)
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To: Samwise
Thank you Samwise.
105 posted on 10/21/2003 8:39:39 PM PDT by SAMWolf (Don't believe it until you can eat it or spend it.)
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To: Samwise
Awww. The poor thing. Mine weren't necessarily brave just alert. Barked at you if you came on their block!
106 posted on 10/21/2003 8:41:21 PM PDT by snippy_about_it (Fall in --> The FReeper Foxhole. America's History. America's Soul.)
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To: GATOR NAVY
All of the Japanese DDs had heavier torpedo armamaent and heavier gun armament than their American counterparts, and all the Japanese cruisers had ten 8" guns. The Japanese could have fought the battle out of range of the American light cruisers.
107 posted on 10/21/2003 8:43:14 PM PDT by SAMWolf (Don't believe it until you can eat it or spend it.)
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To: SAMWolf; snippy_about_it; radu; All

Good nite everyone!
LOL
108 posted on 10/21/2003 8:51:21 PM PDT by Soaring Feather (~Poets' Rock the Boat~)
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To: bentfeather
Good night, bentfeather. You must reallllllly be tired.
109 posted on 10/21/2003 8:55:28 PM PDT by Samwise (There are other forces at work in this world, Frodo, besides the will of evil.)
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To: Samwise
Well yes, Sam I guess so. No really feeling too great. Was up for most of the night last night, and have had the freezing shivers for two days now.

Guess I have something.
110 posted on 10/21/2003 8:57:41 PM PDT by Soaring Feather (~Poets' Rock the Boat~)
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To: bentfeather
So sorry to hear you're not well. Use plenty of covers, stay hydrated, and call the doc if you don't improve soon.
111 posted on 10/21/2003 9:15:21 PM PDT by Samwise (There are other forces at work in this world, Frodo, besides the will of evil.)
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To: bentfeather
Good Night Feather.
112 posted on 10/21/2003 9:49:08 PM PDT by SAMWolf (Don't believe it until you can eat it or spend it.)
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To: bentfeather
You better beat this bug. We can't have a laid-up Feather. Too many people count on you.
113 posted on 10/21/2003 9:50:13 PM PDT by SAMWolf (Don't believe it until you can eat it or spend it.)
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To: SAMWolf
I take my kittens with cream LOL!

Me, too. Don't need any sugar....kittens are already super-sweet. *giggle*

114 posted on 10/22/2003 2:27:13 AM PDT by radu (May God watch over our troops and keep them safe)
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To: PhilDragoo
BTTT!!!!!!!
115 posted on 10/22/2003 3:10:15 AM PDT by E.G.C.
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To: bentfeather
Hope you are feeling better this morning feather.

Take a nap today too and rest a little, you are up early and late and with the change in weather in this part of the country we need our sleep to stay well!!

And we need you to stay well. :)
116 posted on 10/22/2003 3:58:07 AM PDT by snippy_about_it (Fall in --> The FReeper Foxhole. America's History. America's Soul.)
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To: SAMWolf
Sam-

Did a little research last night, and from these figures, I still wouldn't say we were outgunned. Outclassed in torpedoes, no doubt. But in this case the beachhead had to be protected, so we fought with what we had. IMO, the range factor doesn't matter in a night fight, even high quality Japanese optics wouldn't get hits at max 8" range at night. But here's some throw weight figures:

4 USN CLs w/16 guns per ship = 64 guns X 107 lb shell X 8 rounds per minute per gun= 54,784 lbs of shells per minute

2 IJN CAs w/10 guns per ship = 20 guns X 277 lb shell X 3 rpm = 16,620 lbs
2 IJN CLs w/7 guns per ship = 14 guns X 83 lb shell X 6 rpm = 6,972 lbs
Total IJN cruiser 23,592 lbs vs. USN 53,5760 lbs

Didn't do the DDs, I'd have to figure which ships were which class, but my point was our 6" cruisers were capable of putting out a lot of firepower very quickly and weren't as disadvantaged as it may initial look.

117 posted on 10/22/2003 11:26:46 PM PDT by GATOR NAVY
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To: GATOR NAVY
You're right about the range in a night battle. Without radar gunnery it would all depend on the Mark I eyeball. Not only that but the smaller guns would be able to fire faster, the Japanese torpedoes would have posed a problem. They were more reliable and had longer range, at night they could be deadly as proved in the sea battles around Guadalcanal.

The DD's would have been most useful for torpedo attacks, 5 inch guns would have had to get in close to hurt the CA's.

Thanks for doing the extra research.

Almost every account I read about the battle gives the advantage to the Japanese. Maybe it's just become "Military urban legend" it's been repeated for so long.
118 posted on 10/22/2003 11:49:20 PM PDT by SAMWolf (Beware of quantum ducks: quark, quark)
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