Sea Bees in Japan after the WWII
On V-J Day, thirteen Naval Construction Battalions (NCB), three Special Naval Construction Battalions (stevedores), and one Construction Battalion Maintenance Unit (CBMU) awaited assignment to Japan, where they were to aid naval forces at Hiroshima, Kabayana, Yokosuka, Omura, Nagasaki, Sasebo, and Kure. Their tasks included constructing, repairing, and maintaining Naval and Marine Corps bases throughout Japan to support US armed forces in occupying the country.
On 15 August 1945, Seabees with the 136th NCB embarked in 12 LSM’s at Guam headed for Iwo Jima and onto Yokosuka, Japan. They arrived at the badly damaged Yokosuka navy yard on 30 August 1945, where they established their camp at the Japanese navigation school. In preparation for the arrival of additional forces, the Seabees repaired housing, electric and telephone systems, and roads at the naval base; graded fields and remodeled buildings for the fleet recreation area; repaired housing and surfaced an airstrip at Kisarazu airfield.
Meanwhile, the 602nd CBMU arrived at Yokosuka to maintain runways and roads at the Marine Corps air base. They constructed a 2000-man galley, restored barracks and facilities for personnel, constructed a chapel and recreation facilities, completed a sawmill, public works shops, a cold-storage plant, and a chlorination plant for water treatment, and installed hot water showers in all barracks.
During the month of September, the 41st Regiment, consisting of the 9th, 28th, 62nd, and 90th NCB, and the 28th Special Battalion, joined the 136th NCB at Yokosuka. Among the major projects included repairing and maintaining the naval base at Kisarazu naval air station, which included overhauling the gasoline system and providing housing facilities for air station personnel and repairing and maintaining the airstrip. They also repaired buildings and erected Quonset huts for housing and messing facilities for port director activities at both Yokosuka and Tokyo, and loaded gravel from the Atsugi River for use in repairing roads and runways.
Sasebo on the island of Kyushu, not far from Nagasaki, was the other big center of Seabees activity in Japan. For some time, the 7th Naval Construction Regiment, consisting of 4 NCBs and the 31st Special, were working simultaneously at Sasebo to construct the naval base, clear the dock area in the navy yard and provide space for roadways and facilitating the unloading of ships. This required removal of large quantities of scrap metal, heavy marine equipment, and other debris. The Seabees used a Japanese floating crane and Japanese barges, together with some Japanese laborers, were used on the task.
In addition to repairing and maintaining the Marine Corps camp at Ainoura, the 116th NCB rehabilitated and constructed 5 miles of road from Ainoura to Sasebo, together with an alternate 5-mile stretch and operated two quarries to support road work construction. The Seabees also constructed a Quonset hut camp to house 400 men at the former aircraft factory at Sasebo. Seabees with the 72nd NCB constructed a 2000-man camp, two 200-bed hospitals, and recreational facilities in Sasebo to support naval forces.
Upon its arrival in Japan, the 31st NCB had been sent to Omura, about 28 miles from Sasebo. At Omura, the battalion was given a former Japanese hangar for temporary barracks, messing, and work space, and assigned a former Japanese garrison force compound for permanent barracks and work space. The area was deliberately destroyed in an attempt to inconvenience occupation troops; all the latrines were in disreputable condition, lighting fixtures had been torn out, and the general litter and debris throughout the area was so extensive that a 40-man cleaning crew worked for more than a fortnight removing debris and trash.
One of the most unique duties the Seabees undertook in Japan after the war ended was working on the Bureau of Yards and Docks Technical Mission to Japan to survey damage wrought by the atomic bombs and other aerial bombing attacks. This group consisted of structural engineers and Seabees sent to Japan to survey the damage inflicted by atomic bomb attacks on Hiroshima and Nagasaki as well as damage caused by high explosive and incendiary bombs.
Unknowingly, these men exposed themselves to radiation and many died young of cancer, leukemia, and unknown illnesses all in an effort to assist the US in understanding the devastation atomic bombs leveled on a major city and industrial areas, and how to build facilities in the future to withstand atomic warfare.
By mid-1946, all Seabee units stationed in Japan were disestablished and the men were discharged from active duty. The Seabees were part of the demobilization plan, and by June 1946 their number had fallen from a peak strength of more than 250,000 men to approximately 20,000. The Seabees that served in Japan, during this time, played a key role in the construction of bases, roads, facilities, and infrastructure necessary to assist Japan in rebuilding their economy and country in the post-war years.
From the SeaBee Museum.
CLICK ON IMAGES TO ENLARGE.
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Military Humor –
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Farewell Salutes –
Scott Bumpers – TN; Tennessee National Guard, MSgt., 118th Wing/118th Intel Surveillance & Recon Group
Clayton Eldridge – Williamsville, NY; US Navy, WWII, PTO, USS Dayton
Betty Gill – Madison, WI; US Woman’s Marine Corps, WWII
Shelli Huether – TN; Tennessee National Guard, Lt. Colonel, 118/118th Intel Surveillance & Recon Group
Russell McCauley (101) – Altoona, PA; US Navy, WWII, PTO
Casey A. Popenoe – USA; US Army, Iraq, Chief Warrant Officer 3, 2/8/1/25th Infantry Division
William Rouch – Bangor, PA; US Army / WWII historian
Robert Salgado – Palm Springs, CA; US Army, WWII, 82nd Airborne Division
David Smith Jr. – East Walpole, MA; US Navy, WWII
Jessica Wright – TN; Tennessee National Guard, Captain, 118/118th Intel Surveillance & Recon Group
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Posted on September 14, 2020, in Post WWII, Uncategorized, WWII and tagged 1940's, History, Japanese Occupation, Military, Military History, Navy, Pacific War, Reconstruction, SeaBees, veterans, WW2, WWII. Bookmark the permalink. 80 Comments.
Rarely do people know about the effects and efforts not connected with the front. This post is absolutely thought-provoking.
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There is so much more to the military than the front line soldier.
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Excellent reflection on the role of the Seabees, the amount of reconstruction they faced was phenomenal. Thanks for sharing mate, one of your cartoons sums up The Seabees perfectly I think, cheers.
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haha, glad you liked the article as well as the cartoons (that’s what they’re there for.)
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Will have to share this w/ a young man in our family who hopes to become an engineer. 🙂
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Either this one or the Army Corps of Engineers that appeared right after the SeaBees. Thank you.
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I never quite understood who the Sea Bees were or what they did. It is sad so many of them died from radiation exposure and other illnesses. Thanks for the post, GP!
Our evacuation Level 1 was lifted on Tuesday night. We were lucky. There has been progress on containing the fires, the percent containment varies from fire zone to fire zone. Rain (and thunder) started at 3:00 AM. Rain is a beautiful thing! We are still leaving things packed and ready, for now, as our status could change again. The air quality is still bad, but improving.
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I am so happy to hear that!! I thought I was seeing things when I checked the fire map this morning!!
Glad I was able to clear things up about the SeaBees for you.
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We got rain today, and more is forecast for tomorrow. Rain has never been more welcome than it is right now.
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I am so thrilled for you!! (I hope you know I am smiling from ear to ear right now!!)
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GP, those guys really had their work cut out for them. That last photo really brings it out vividly. Unsung heroes. Hugs on the wing!
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People get caught up in the victory hoopla and don’t think about the cleanup.
Thanks for visiting, Teagan!
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Forwarded the link to Gina Elise. There’s a Seabee or two among the pin ups.
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Thank you for that!
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So sad about the Seabees and the radiation poisoning, a fate so many Japanese suffered from. But I am always amazed at how quickly the Seabees could build things! –Curt
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They were in such a rush to build a bomb that not very much was studied and known about radiation poisoning.
I agree, when things needed to get built, the SeaBees or Engineers did it well!
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It is amazing what the Sea Bees did in Japan after the war.
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Yes, but they didn’t do it alone. You’ll see that on Thursday.
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Reblogged this on depolreablesunite.
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Thank you, Rick.
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Deze seabees deden veel en gevaarlijk werk, wel spijtig dat men hen zolang aan kwalijke stoffen blootstelden zodat velen nadien stierven aan allerlei soorten kankers
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Het is zo droevig! Ze wisten toen nog niet zoveel over stralingsvergiftiging als nu. Ze dachten gewoon dat ze moesten herbouwen nadat ze die bom hadden laten vallen.
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Unbelievable how much manpower they had used. Thinking on all the things could be built far away from war, its horrible. Thank you for sharing, GP! Enjoy your week! Michael
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Thank you. I’m sure you could tell more even more of what got rebuilt in Europe.
Take care, Michael.
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Thanky you too, GP! Oh, in dont know very much, but i try to get more knowledge, before the next demolition cames.;-)
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Are you expecting another demolition?
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God bless the Seabees
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Amen!!
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I love your “after the War” posts
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I’m happy to hear that. Those men did quite a bit, but have been forgotten because of the joyous fact that the war over.
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Amen
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What an amazing amount of work they did, and in difficult circumstances, too.
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They never have received much consideration or appreciation from the public, but the Marines sure did back then.
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What a busy group of young men the Sea Bees were!! The Japanese must surely have recognised that they had lost the war without the slightest possible doubt when the Americans set up hot showers won the sacred soil of Japan.
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They never expected that paid soldiers would have as much loyalty as they did to their cause. That’s what was repeatedly told my father.
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Great work by the Seabees. Do hope their efforts were appreciated.
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They are very much appreciated by the Marines. They aren’t thought of as ordinary seaman to the Corps.
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Thank you for another informative post! I didn’t know that the Sea Bees were involved in surveying the damage to Japan by the atomic bombs.
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They didn’t know as much about radiation back then as they do now. It’s a shame.
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Yes, it certainly is.
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Amazing work done by these SeeBees. Thanks for the story, GP.
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My pleasure. Just because the war was over didn’t mean everyone went back home to civilian life.
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Always seemed strange to me that they’d spent a shed load of money bombing the s**t out of a place, and then spent shed loads more fixing it up! Love the toons!
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Guilt is a big part of it. In war, anything goes, but then you’re forced to see the results.
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And then we go and do it all again somewhere else! 🙄😊
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The World’s Police Force.
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It’s amazing how generous we in the USA really are. Re-building their country is pretty big, I’d say. I am curious, have you ever considered turning your blog into a book?
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Yes, I have thought about that, but after discovering just how long it takes to get rewrite approval, well, I just won’t live that long.
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well, I know you’ve done your homework but it’s something I’m sure many of us would like to see.
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Your thoughts and encouragement are greatly appreciated, Herb!!
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Reblogged this on Dave Loves History.
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Thank you, Dave.
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Early during my combat tour in Vietnam, our company moved south (“south” for us, that is!) from the Con Thien AO on the DMZ area to provide security for a Seabees unit constructing a Marine Corps base at Ai Tu (sp?), a small village near Quang Tri City in northern I CORP. We Marines loved those guys, and didn’t consider them regular “squids” (a good-natured ribbing) like all other Navy personnel, except our own beloved CORPSMEN. Of course, them allowing us to eat REAL chow in their mess hall whenever we had the chance didn’t hurt matters either. 🙂
Several months later (after TET ’68) I was wounded three times in one day and spent the better part of 3-months in the Naval Hospital at Yokosuka, Japan, then on to Pensacola Naval Hospital back in the “World” for another six months. I’ve always wondered if the Seabees built that hospital. Still don’t know for sure, but those guys were top-knotch squids–er–sailors! 🙂
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It appears from their history, the Yokosuka Hospital’s core was originally built by the Japanese Navy. Thank you for giving us your story, EM. I’m always eager to have eye witness info like this.
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It gobsmacks me what we can build and repair during wartime.
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The military budgets are a lot higher than peacetime. Too bad all that effort can’t go to here at home.
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I love you Seabee story. Many Americans probably do not know that the Navy still has Seabee units (which is outside the scope of your blog.) They are probably the Navy’s cumshaw kings (what the Army refers to as scrounging.)
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That’s probably why that meme was made. I’ve heard many a story about them making “visits” to other units. haha
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Now I know what Seabees are, GP. Thanks very much
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They are Construction Battalions, hence CB’s. From there, it was easily made into Sea Bees (as in busy as a bee). Thanks, Derrick.
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🙂
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Something’s wrong with my sign in…?
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NO, I think wp hides the questions and comments these days until I approve them and it takes people off-guard. I just left a comment on your site. Let me know what’s going on.
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WOW! It’s hard to imagin the tasks at hand during the post surrender occupation! Casually, we think “Win the war, head home!” Clearly there was a monumental task at hand, and done in a remarkably short period of time. The Japanese couldn’t have ever imagined the positive aftermath of losing the terrible war. Thanks for this enlightening viewpoint. M:-)
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I’m sure we took a lot of people by surprise by all that was done. Unfortunately everyone is still getting on the band-wagon for handouts.
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Reblogged this on John Cowgill's Literature Site.
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Thank you, John.
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You are welcome.
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It’s nice to read about a wartime effort in a time of peace. We were determined not to make the mistakes made after WWI.
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I’m glad you found it interesting, Dan.
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I had no idea it was such a massive effort. Very sad about the people inspecting the areas that were hit by the atomic bomb.
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I think the residual affect did more to them. Disrupting the debris and trying to rebuild.
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I still remember learning that Seabees weren’t really bees. I was pretty young — young enough to be disappointed. Today, I have nothing but admiration for those Construction Battalions. So many of their tasks were critical, and their dedication’s obvious. That’s one reason the CB cartoon you added is so humorous. They no doubt helped a good bit with troop morale. I smiled when I came across hot showers in their list of accomplishments.
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I saw a picture of their showers on some obscure island and almost made a meme out of it myself – not hot water there! lol
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On a different topic altogether, we are escaping from The Peoples Republic of Calizuela.
We head to Oklahoma on Thursday. Grapes of Wrath in reverse …
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I wish you all the best!!
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It’s easy to forget how much work was needed after the war had ended. So sad about the young men contracting illnesses caused by radiation. They survived the war only to die young because of the after-affects.
Best wishes, Pete.
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Yes it is. This generation learned that by the after-affects of the Trade Center collapse. Thank you.
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Thank you, Steve.
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