In the late 19th century, the Imperial Japanese Navy realized beri-beri on their ships was due to a rice-only diet. Are there other instances in history where armies suffered from nutritional deficiencies despite sufficient caloric intake?

I was just thinking that in earlier history, it would not have been so easy to study such a problem.

In particular, were any battles or wars lost for this reason?

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πŸ‘€︎ u/ketbrah
πŸ“…︎ Aug 18 2019
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Imperial Japanese Navy battleships in line, with the two closest ships being Ise and her sistership HyΕ«ga.[2400 Γ— 1356]
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πŸ‘€︎ u/Freefight
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Did the Imperial Japanese Navy differentiate between Light and Heavy cruisers while designing their ships?

To preface, I'm basing my question on a few things that I'm not 100% sure about.

-First, in official documentation the IJN appears to refer to cruisers as "1st Rate" or "2nd Rate" cruisers, instead of a Light "CL" or Heavy "CA" designation.

-Second, it appears that when WW2 started, all cruisers launched in 1923 or earlier (i.e. Sendai Class, Nagara Class, Kuma Class, etc) are classed as 2nd Rate, whereas the newer cruisers (Myoko, Takao, Mogami, etc) are classed as 1st Rate.

-Finally, it appears that "2nd Rate Cruisers" were predominately being used as leaders of Destroyer Divisions & fleet escorts, while the "1st Rate Cruisers" are being placed in Cruiser Divisions and are being given roles more typically associated with what we expect from the class.

So based on this, was there an intent for the earlier Cruiser designs like the Sendai Class to serve in Escort/ASW roles as the lead of a DesDiv, or are they simply placing the oldest usable Cruiser models in this role?

Additionally, following the construction of the Tone Class, there appears to be a shift in design for Cruisers to be more focused towards purpose built escort/command ships with the Agano and Oyodo class. What is the reason for this change in design philosophy?

Thanks in advance!

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πŸ‘€︎ u/SoundAndFury87
πŸ“…︎ Jan 16 2019
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The largest battleship in history, Imperial Japanese Navy battleship Yamato being fitted out at Kure naval yard near Hiroshima, September 1941. She would be sunk in April of 1945, with the loss of most of her over 3300 crewmen
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πŸ‘€︎ u/murrayhannah
πŸ“…︎ Nov 23 2019
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TIL that before Japan's surrender, the Imperial Navy was training thousands of suicide divers to attach explosives to enemy ships en.wikipedia.org/wiki/Fuk…
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πŸ‘€︎ u/Prufrock451
πŸ“…︎ Oct 10 2019
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Emperor Hirohito (front row, center), with senior officers of the Imperial Japanese Navy, on board the Japanese battleship Musashi off Yokosuka Naval Base, 24 June 1943 [6588x4878]
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πŸ‘€︎ u/Goldeagle1123
πŸ“…︎ Aug 16 2019
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American garrison on Wake Island, Pacific, have fought off an attempted Japanese landing, their coastal guns smashing Imperial Navy ships.

^- ^WW2 ^Tweets ^from ^1941 ^(@RealTimeWWII) ^| ^December ^16, ^2019

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πŸ‘€︎ u/RealTimeWW2Bot
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Pearl Harbor: A Captivating Guide to the Surprise Military Strike by the Imperial Japanese Navy Air Service that Caused the United States of America's Formal Entry into World War II by Captivating History amazon.com/gp/product/B08…
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πŸ‘€︎ u/kimme
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Japanese hospital ship in the periscope sights of U.S. Navy submarine USS Silversides. Pacific 1943.
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πŸ‘€︎ u/Historynsnz
πŸ“…︎ Feb 04 2020
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Replica of the 58-gun three-masted ship of the line Goto Predestinatsia, flagship of the Imperial Russian Navy’s Azov flotilla until 1711 β€” Voronezh, 3 August 2014 [3456Γ—5184]
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πŸ‘€︎ u/gentle_giant_81
πŸ“…︎ Sep 27 2019
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Shikishima-class pre-dreadnought battleship Hatsuse of the Imperial Japanese Navy at speed, ca. 1899 [3000Γ—2108]
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πŸ‘€︎ u/gentle_giant_81
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This day; May 31, 1942 started the series of attacks on Sydney Harbour led by Japanese mini submarines from the Imperial Japanese Navy.
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πŸ‘€︎ u/STGguard
πŸ“…︎ May 31 2019
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Emperor Hirohito (front row, center), with senior officers of the Imperial Japanese Navy, on board the Japanese battleship Musashi off Yokosuka Naval Base, 24 June 1943
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πŸ‘€︎ u/Goldeagle1123
πŸ“…︎ Aug 16 2019
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Imperial Japanese Navy aircraft carriers Zuikaku (foreground) and Kaga (background) head for Pearl Harbor in November 1941 prior to the initiation of the Pacific War. Add’l info in comments. [3129 x 2021]
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πŸ‘€︎ u/KapitanKurt
πŸ“…︎ Sep 01 2019
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The Case of the SS Tjisalak: WWII Atrocity Committed by the Imperial Japanese Navy.

> SS Tjisalak was a 5,787-ton Dutch freighter with passenger accommodation built in 1917 for the Java-China-Japan Lijn and used by the Allies during World War II to transport supplies across the Indian Ocean between Australia and Ceylon. On 26 March 1944, she was torpedoed and sunk by the Japanese submarine I-8 while traveling unescorted. The freighter's crew were subsequently massacred in an infamous naval war crime.

> Tjisalak was sailing from Melbourne and Colombo with a cargo of flour and mail.[1] The crew of 80 consisted of Dutch, Chinese and English merchant seamen, plus ten Royal Navy gunners manning the ship's four-inch gun. Also on board were five passengers (including an American Red Cross nurse, Mrs. Verna Gorden-Britten) and 22 Laskar sailors returning to India after the loss of their ship. Tjisalak had been travelling for 19 days, when her captain became confused by an unusual wireless message from Perth, and changed his course, sailing at 10 knots (19 km/h; 12 mph) to conserve fuel. At 5:45 am on 26 March 1944, she was struck by a torpedo from I-8.

> One passenger, a Lieutenant Dawson from Australia, was killed instantly, and the ship began to list to port. The order was given to abandon ship. Most of the crew obeyed, taking to the ship's boats and liferafts, but the British gunners and the Dutch gun commander, second officer Jan Dekker, remained on board, waiting for the Japanese submarine to appear and opened fire. I-8 responded with her own deckgun, forcing the gunners to abandon ship.

> Once in the water, the 105 survivors were collected by the Japanese, who placed them on I-8's deck and ordered Captain Hen into the conning tower to confer with the Japanese commander, Tatsunosuke Ariizumi. Survivors reported Hen as shouting "No, no, I don't know." At that moment, a Chinese sailor slipped into the water and was shot.

> The Japanese then tied the survivors together in pairs and walked them aft around the conning tower, where they were attacked with various weapons. Four men jumped or fell from the submarine while being attacked and survived the random gunfire from three Japanese sailors seated behind the conning tower. These were Chief Officer Frits de Jong, Second Officer Jan Dekker, Second Wireless Operator James Blears and Third Engineer Cees Spuybroek. A Laskar named Dhange also survived the massacre.

> After the Japanese had killed all but about twenty of the prisoners, they tied the remainder to a lo

... keep reading on reddit ➑

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πŸ‘€︎ u/Touristupdatenola
πŸ“…︎ Aug 09 2019
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Officers of Imperial Japanese Navy are in Taranto, Italy, studying the British torpedo attack on Italian fleet there last year: learning valuable lessons for their planned strike on Pearl Harbor.

^- ^WW2 ^Tweets ^from ^1941 ^(@RealTimeWWII) ^| ^June ^3, ^2019

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πŸ‘€︎ u/RealTimeWW2Bot
πŸ“…︎ Jun 03 2019
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Why was the Imperial Japanese Navy such earlier adopters of aircraft carriers?
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πŸ“…︎ Jun 01 2019
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[6172 x 4982] Japanese Navy Type 99 Carrier Bombers (Val) prepare to take off from an aircraft carrier during the morning of 7 December 1941. Ship in the background is the carrier IJN Soryu. imgur.com/RacAWnv
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πŸ‘€︎ u/Tsquare43
πŸ“…︎ Dec 07 2019
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This is my grandpa Glen (on the left) with his friend Bill standing in front of the Japanese Imperial Palace on Christmas Day, 1945. Grandpa served on a minesweeping ship during the war. He turned 92 last month. Happy Veteran's Day! imgur.com/UzWUTBI
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πŸ‘€︎ u/benbobbins
πŸ“…︎ Nov 11 2019
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Wreck of Imperial Japanese Navy Carrier Kaga just discovered youtu.be/0yMM72Qg6MY
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πŸ‘€︎ u/neuhmz
πŸ“…︎ Oct 18 2019
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[6158 x 4858]A Japanese Nagara Class light cruiser being hit in the stern during U.S. Navy carrier air attacks on shipping at Kwajalein Atoll, 4 December 1944. This ship is probably Isuzu, which was reportedly hit by two bombs, one of which knocked out her rudder. imgur.com/CZsVCvS
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πŸ‘€︎ u/Tsquare43
πŸ“…︎ Aug 09 2019
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Kaigun: The Imperial Japanese Navy (2004); Broad overview of the Japanese navy over 8 centuries. (1:30:19) youtube.com/watch?v=la1nr…
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πŸ‘€︎ u/ByronicAsian
πŸ“…︎ Apr 20 2017
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[Warship] [Album] Anti-aircraft guns of the Imperial Japanese Navy in WWII imgur.com/a/wSswm
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πŸ‘€︎ u/RPBot
πŸ“…︎ Oct 16 2016
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It is all about the Imperial Japanese Navy!
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πŸ‘€︎ u/BakerOne
πŸ“…︎ May 19 2019
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Are there any large ships in the imperial navy that are around or under 100m in length?

Like a lot of people I'm bored during the quarantine and I started thinking about a hypothetical project a few hours ago, but so far I haven't found the data I'd need to even consider beginning it. I teach 3D modelling as my job and I thought it would be fun to think about modelling a to-scale battle barge for my minis. Of course your average vessel is way too big for this but I figured there might be something in a "reasonable" size range to be reproduced physically. I wouldn't want to botch the scale too hard, I'd want the ship to be as accurately scaled as possible. So I started looking.

The smallest destroyer I could find was a Cobra-class destroyer. These things are around 1.5km long. I'm not extremely familiar with the Imperial Navy so I started searching through any ship-class links I could find on the Lexicanum and wiki. 1.5km seems to be the smallest length I can find, so lets run some numbers. For simplicity's sake lets say that a primaris marine stands 2.4 meters tall. Again, for simplicity's sake lets say that a primaris mini stands 4cm tall. 1500/2.4 means that it would take 625 primaris marines laying head-to-toe to reach the length of the ship. Convert that to the mini scale (625 * .04) and you get a "mini" scale Cobra-class destroyer that is 25 meters long. I obviously cannot print this, and I wouldn't really want to design it either.

So I thought I'd ask the community if there were any ships that were not incredibly large? If you turn to the Tantive IV from star wars you get a ship that's 150 meters long, converted to 40k scale it'd be around 2.5 meters in length. Still obscenely long and not something I could print, but a lot more reasonable. If there were a ship that was only 100 meters in length that would mean printing a to-scale ship that would be around 1.3 meters long. I could print that, but there's very little chance I'd follow through. Which is why this question is hypothetical. I'd say that even a ship that's 150 meters long could be something accomplishable by someone. It's fun to dream about having a massive imperial ship hovering over a gaming table, but from my night of research it seems like none of the ships are small enough to make that a to-scale reality. Even in a best-case scenario I'd have to model a ship at one-tenth its true miniature scale, and while that would definitely still be very cool and very big, it wouldn't be "accurate." Are there any imperial ships in the size range I'm looking for? Or is it a

... keep reading on reddit ➑

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πŸ‘€︎ u/TheSinkingMan
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HoI4 Dev Diary - The Imperial Japanese Navy (AAR) forum.paradoxplaza.com/fo…
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πŸ‘€︎ u/ShockTrooper262
πŸ“…︎ Jan 30 2019
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is the imperial navy ships just gigantic space cathedrals or do they have something "futuristic" looking

what i mean by futuristic is star warsian futuristic.

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πŸ‘€︎ u/pinoysnooper22001
πŸ“…︎ Nov 28 2019
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The US navy asserts dominace over the imperial japanese navy (1944)
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πŸ‘€︎ u/Stalker-Six
πŸ“…︎ Dec 12 2019
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TIL that the first feature-length anime film is Momotaro: Sacred Sailors, a wartime cartoon sponsored by the Imperial Japanese Navy to glorify imperialism en.wikipedia.org/wiki/Mom…
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πŸ‘€︎ u/Rob-With-One-B
πŸ“…︎ Dec 02 2019
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During WW2, how did the Imperial Japanese Navy counter American submarine use in the Pacific?

I know the Allies made use of radar technology and improved tactics like convoy protection in the Atlantic against the German U-boats. Were the Japanese effective at stopping American submarines in the Pacific theater?

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πŸ“…︎ Aug 27 2019
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Japanese Imperial Navy&Army, late 19th - early 20th century. Just spreading the knowledge
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πŸ‘€︎ u/vakvanya
πŸ“…︎ Jan 26 2020
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Imperial Japanese Navy aircraft carrier 'Akagi' April, 1942 during the Indian Ocean Raid as seen from an aircraft that has just taken off from her deck (x-post from r/HistoryPorn)
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πŸ‘€︎ u/Red_Spangler
πŸ“…︎ May 07 2018
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TDIH: March 11, 1945, The Imperial Japanese Navy attempts a large-scale kamikaze attack on the U.S. Pacific Fleet anchored at Ulithi atoll in Operation Tan No. 2. en.wikipedia.org/wiki/Ope…
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πŸ‘€︎ u/Paul-Belgium
πŸ“…︎ Mar 11 2020
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Daily ship discussion: Imperial Navy Slicer

amarr faction frigate with bonuses to laser optimal range and damage. features a low-heavy 3-2-5 slot layout and is mostly used for kiting but can also brawl as well

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πŸ‘€︎ u/_Princess_Lilly_
πŸ“…︎ Feb 02 2020
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(Aired: 1943) Made by the Japanese Imperial Navy. This film was a propaganda campaign made for children depicting Momotaro, a Japanese folklore hero.
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πŸ‘€︎ u/Wandering_Neurons
πŸ“…︎ Apr 02 2019
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Why were Kriegsmarine ships so bad compared to the Imperial Navy?

Couldn't get an answer on ask historians, so I hope it's OK to ask it here. EDIT: By Imperial Navy, I mean the Kaiserliche Marine.

How on earth the Germans just lose all their shipbuilding expertise during the inter-war period? AFAIK their light cruisers were structurally weak, their destroyers bloated and unreliable, their heavy cruisers overweight etc etc...with U-boats as the only possible exception.

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πŸ‘€︎ u/engapol123
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Grand Admiral Thrawn reporting in with the 7th fleet of the mighty imperial navy and his flagship 'The Chimaera'
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πŸ‘€︎ u/some_salty_dude
πŸ“…︎ Oct 15 2019
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[October 11th, 1918] The Imperial German Navy's air command proposes that merchant ships be converted into Germany's first aircraft carriers with flight decks. en.wikipedia.org/wiki/Imp…
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πŸ‘€︎ u/michaelnoir
πŸ“…︎ Oct 11 2018
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the expansion on pearl harbour was a surprise tactical dong by the imperial japanese navy air service
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πŸ“…︎ Mar 30 2017
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1/72 Dragon Imperial Japanese Navy Type 2 Ka-Mi Amphibious Tank (Late Production)
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πŸ‘€︎ u/danzaku96
πŸ“…︎ Dec 08 2019
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