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Could American commanders be forgiven for sending troops so quickly into nuclear bomb sites? We’re not here to judge. We found there were many studies and formal guidelines on radiation exposure in the workplace in pre-war years. But those standards refer to sustained exposure to low doses, often internal.

It’s another thing altogether to study short-term external exposure during a military maneuver. And the criteria are radically different in a combat situation which is a life-and-death situation to begin with.

Before any workplace standards were put out, there was certainly no shortage of misguided or catastrophic applications of radioactive materials. One famous example is the story of the Radium Girls.

The U.S. Radium Corporation had a booming business making glow-in-the-dark watches and instrument faces through world war I. The products picked up a good reputation and sold well after the war. Their technicians handled bulk materials with long tongs and protective gear. But the people painting the instruments were mostly young women working bare handed, and who famously took up the practice of pointing the fine brushes with their lips.

The build up of radioactive materials in their bodies, mostly inside bones, was devastating. Their tragic story has endured, largely as an early labor rights campaign. It even became an unlikely play.

It should be pointed out that women were not the only victims of the early 20th century radium fad. Contraptions like this make old fashioned snake oil salesmen, and new-fangled diet pill promoters, look like harmless clowns.

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December 6, 1945 : X+21 – Kanoya, Kyushu

…Life under artillery fire is an inestimable and unrelenting agony. One is sleep deprived, lonely, scared, and above all helpless to do anything about it. There is no rational response. Some flavor of functional lunacy is required to carry on, be it bitter hardness or detached resignation. Cases of shell shock accumulate when a front is static – one more reason commanders are anxious to maneuver and push forward again.

It is certain that life on the Japanese side is even worse. For every scattering of shells they send, we are carpeting whole hills and valleys. We fire patterns of shells at the taller rocky mountains deliberately on schedule at the same time each day and night. The barrage is not meant to catch anyone by surprise. It is meant to reinforce the idea that we can do this at will and without end. Japanese there are probably hiding deep down in well stocked caves. It’s fine by us if they simply stay there.

Ernie Pyle wrote that in Italy some artillery men there figured that we were spending about $25,000 for every German soldier killed. They wondered what would happen if we just offered each of them that much cash to surrender instead. Pyle didn’t think much would happen.

I put the question to members of a supply company here. They spent some time doing some serious accounting. Their total came to $127,200 for each Jap. They agree with me that few of them would surrender for even that lofty ransom. We are going to have to go get those Japanese soldiers the old fashioned way.

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Before the invasion of Japan some people claimed Kyushu was good “tank country”, where armor and trucks could rapidly move around to surround enemies and focus fire on them. In fact, some of them based timelines and casualty estimates on that assumption.

This is a portion, not unrepresentative, of one of the actual maps they had to use:


Complete map sheet is here.

We have to wonder, what else might have motivated such assertions from top U.S. Army commanders?

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[a portion of the entry for November 29, 1945 : X+14 – south of Kanoya, Kyushu]

…Without breaking stride, two lead tanks rolled onto the bridge, followed by two armored cars. Riflemen and gunners on the north bank eyed the south bank warily. Astride a road parallel to the river was a long cluster of houses and fish processing buildings. Behind those buildings the land again rose steeply into the next forested mountain ridge.

Up to that point we had not seen a living soul since entering town. Upon leaving town they came out to see us. The first tank rolled off the far side of the bridge and turned immediately to face the first buildings on its left. People of all different sizes and attire ran out from behind several buildings, thirty or forty people in loose columns from every alley. Some brandished sticks and clubs, others carried satchels or old suitcases. The lead tank opened up, its machine gunners ignoring spears and clubs in favor of people carrying likely bombs. The second tank pulled up close alongside to join in.

On top of the bridge two scout cars paused to bring their four machine guns into action. But from under the bridge another eight or ten figures crawled unseen over the far railing. Soldiers who had dismounted were immediately in hand-to-hand combat, rifle butt against club. That gang of civilians also had bombs, and they were only feet from the armored cars before being spotted. At least three charges went off, in close succession. The last explosion tossed one scout car, armored, model M3A1, fifteen feet into the air. Men and guns and pieces of each were tossed in all directions. The remains of the chassis came crashing down next to a splintered hole in the bridge deck, and the entire thing went smashing through, taking several bridge girders with it into the fast running water below.

Our tanks had beat off the mob attack, the lead tank taking only superficial damage from one explosion. But they were now stranded, and the hill in front of them came alive with small arms fire against American soldiers around the bridge, who were still getting up from the blasts that wrecked the bridge.

The American line on the near riverbank returned fire, a hail of bullets ripping into the brush and trees opposing us. Without prompting one or more Navy ships to our left added to the fire with automatic cannon. No one could see the enemy under the dense shade of evergreen trees, the low winter sun behind them. But an intense volume of fire was distributed over the entire hillside.

Shortly the bigger Navy guns began to walk a pattern of five inch explosive shells along the hill. The circling attack planes were circling no longer, having been released by their ground controllers to come lend a hand near the shore. They strafed in long passes near the river, after loosing rockets into crevices higher up that Navy shells could not get into.

Under smoke from the bombardment, and a deliberate smoke screen, the tankers disabled their vehicles and got back across the river along one remaining truss of the tattered bridge. All the injured and most of the dead were recovered, and this special task force of the 8th Cavalry Regiment pulled back out of downtown Uchinoura, to the relative safety of “uptown” Uchinoura.

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"Service units available for this operation are limited in number.
 Therefore, it is imperative that each unit commander establish
 within his unit a high degree of efficiency by impressing on all
 personnel the tremendous importance of the successful accomplish-
 ment of missions assigned."

Logistic Instructions No. 1 for the Olympic Operation, 25 July 1945,
Headquarters, United States Army Forces Western Pacific,
Office of the Commanding General.

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The general made a few comments to his aide and turned back toward our guns. I got my binoculars back this time. He gave final instructions to the artillery captain before heading back out.

“See what you can do about the Jap artillery down there, and for god’s sake don’t let them retreat. We didn’t want to have Japs wedged in between us, stabbing us in the back. But while they’re here we might as well kill them.”

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General Colt was on a wired telephone as I came in to his otherwise empty office. He motioned for me to take a seat without breaking his sentence.

“I know the Air Corps is nervous about sneak attacks, but that’s why they’re supposed to bring along security men.” He listened for a moment, while smashing his half done cigarette into a brass ashtray with stout fingers, crushing it with much more force than necessary. “You’re damn right, we’ll get it done! If that’s what Corps says needs to be done. But you tell that pinhead flyboy – I’m going to put the division cemetery right between his runways!”

General Colt caught himself about to slam down the handset, set it down easily instead, and stood up. His broad 6’2” frame made the modest Japanese bureaucrat’s desk look like a scale model. He reached out his hand and with half a smile welcomed me…

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November 16, 1945 : X+1 – off Kyushu

…This morning the weather brought low clouds with a chance of rain and heavy kamikaze showers. Before that a wave of suicide boats made out from the many nooks on Koshiki-retto, through a dim pre-dawn haze. The 160th regiment of the 40th infantry division has been working to clear any threats from that island since X-4, together with Navy destroyers circling the jagged shore. Much ordnance has been expended against the rocks there, blasting any suspicious looking crevice which might hide a small ship. But there are a great many crevices and clearly some of the deadly boats survived.

Kamikaze planes were expected at the first bit of bad weather, but the risk from attack boats was supposed to be eliminated. Destroyer picket screens against incoming aircraft are well beyond Koshiki-retto from this invasion fleet. Just one destroyer was patrolling between our big ships and the island, and she was busy this morning just keeping them at bay from her own hull. The USS Charette claims five shinyo sunk, with another probable. That may have been most of them, but we know at least three more got through, because they found the cruiser USS Little Rock and my recent acquaintance the USS Red Oak Victory. The Red Oak was back to her old job of at-sea re-supply of ordnance to Navy ships. The Little Rock did her share of pre-invasion shore bombardment, and was to continue the job of delivering fire support after taking on more deadly packages.

The Red Oak Victory was parallel to the shore, less than two miles off, tethered to the Little Rock. Gunners on the Red Oak may have hit some of the attacking boats, but the Little Rock reports that two of them got close enough to blow big holes in her hull, possibly starting off secondary explosions in the holds, and put her under in a blink. It was all the cruiser could do to cut the transfer lines and get clear of the sinking ship so they wouldn’t smash any swimming survivors. Little Rock’s gunners barely caught a glimpse of a final suicide motorboat gunning past the rolling wreck. The boat closed the last few dozen yards to the Little Rock and its multi-hundred-pound bow charge ripped through the light cruiser’s armor. I have no word on fatalities from below, but one machine gun crew on deck reported injuries from wood splinters and impact from one severed human hand.

The Little Rock is still afloat, after a scary stretch of fire fighting and damage control work. As the news came in, I sat in my corner of the radio room with an angry knot in my stomach at the certain fate of so many of my friends from the hard-working Red Oak Victory. Radio traffic continued its steady professional cadence. Hold picket screen, do not adjust. Oakland to assist. Task two fleet tugs. Notify USS Comfort.

Radio calls picked up urgency as two radar pickets ships saw a swarm of objects at the same time. A loose mass of objects came at cloud level from the direction of Nagasaki . Dozens more stragglers spanned fifty miles behind the main body. It was just at first light , so our radar equipped night fighters were still on station. One at a time they braved the cloud layer to hunt by glowing scope. Flying singly in strict zones to avoid collisions, they would do little to reduce the pack.

Close flying through clouds is no picnic, even for veteran pilots. Our second line of picket ships reported at least one pair of wrecked planes tumbling down out of the clouds, probably after a mid-air collision. Minutes later the outer ring of destroyers in our invasion fleet opened up with radar-directed flak at the approaching mob. Other ships joined in before I heard excited Japanese from one of the radios which had been silent.

I ran outside to look, brushing aside a scolding ensign, who shut the hatch behind me. Scores of Japanese planes dropped down out of the clouds. Two dozen Navy fighters, up and ready from the early radar picket alert, were inbound from the west to meet them. Once the forces merged it would be impossible for ships’ gunners to target Japanese planes without endangering American pilots. This rarely stopped American gunners under kamikaze attack.

One Japanese plane broke out, faster than the others, directly at my ship. I didn’t run or even flinch. Some how I knew she was not meant for me. The Jap plane streaked along low and level, shifting sideways just enough to be difficult to hit. The pilot was cool and experienced. I could see that his plane had no bomb. He did have two U.S. Navy “Hellcats” on his tail. The Japanese plane tore over my ship and I recognized it as one of the newest types, a Shinden, faster and stronger than the famous Reisen “Zero” that gave the world so much trouble through 1942.

Behind the Shinden were the two American fighters. Behind those were three older Japanese Navy planes just coming into view, each with an oversize bomb slung below. Our F6s were almost upon the dodging Shinden, and the lead Hellcat tore into it, throwing .50-caliber slugs through its structure and making the engine smoke. The Jap pilot pulled up into a full 180 degree reversal, adding a half barrel roll near the top, keeping up airspeed along the way. The surprised American fighters started a long level turn to come around and finish their prey. But the lead Japanese pilot had done his job. His three followers stormed ahead free of opposing fighters. They weaved near wave top, daring Navy gunners to shoot so low they could hit other ships. Gunners did fire, from every angle, and shortly the left plane erupted into a shower of debris which scattered over the water. The other two bore on, absorbing minor hits, engines screaming.

Just 300 yards forward and to port of my ship was the transport USS Montrose, also carrying elements of the 5th Marine Division. Like us she was still full, waiting for the division to get orders ashore. With barely a dozen yards to spare, gunners on the Montrose found the right plane in the remaining suicide pair, causing it to break apart, but it was too late. Most of both planes plowed into the side of the lightly armored transport, the bomb from the damaged plane impacting somewhere below the water line. In a dramatic flourish the injured Shinden pilot finished his flaming dive directly into the superstructure of the rapidly listing transport.

The Montrose sank in eight minutes. The Third Battalion of the 28th Marines ceased to exist.

http://www.eckleyaviationart.com/

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Tuttle wrote in December of 1945 about the Navy being anxious to be relieved of invasion support to go attack enemy ports and airfields – the source of trouble for the Navy in the form of suicide boats and kamikaze planes. The same scene had played out around Okinawa just a few months before. Once Okinawa was secured and had large fighter and bomber bases operating, the U.S. Navy unleashed everything it had on Japanese installations on Kyushu. The job was bragged about in the internal Navy magazine, Naval Aviation News. Here we share that article with you, copied right out of the August 15, 1945 issue.

[click images for full size]

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There is a newspaper “infographic” mentioned in the introduction to X-Day:Japan, from an early 1943 newspaper. The graphic is a map of the expansive Japanese empire, drawn to support an editorial position that the U.S. and allies should attack Japan by invading through mainland Asia. The paper, the Los Angeles Examiner, was sure that a campaign of Pacific island hopping would be a brutal and very long fight. “Two Ways to Reach Japan – One May Take a Decade”, the paper illustrates. You may notice that much detail is given of Japanese fortifications, but precious little of their proposed alternative.

It’s a nice map though.
[click for full size]

pacific map ww2 wwii world war two 1943 invasion of Japan

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