of Japanese naval codes and ciphers was crucial to the conduct of World War II, and had an important influence on foreign relations between Japan and...
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article on Japanese naval codes. The diplomatic codes were significant militarily, particularly those from diplomats in Germany. Japanese army (IJA) and...
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phonetic code at the time for "H" for Heʻeia, Hawaii radio tower. The precise importance and role of HYPO in penetrating the Japanese naval codes has been...
12 KB (1,534 words) - 15:20, 18 September 2024
rayon. Japan was importing raw cotton, wool, and oil imported products. Imperial Japanese Army Railways and Shipping Section Japanese naval codes including...
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World War II cryptography (section Japan)
Gisbert Hasenjaeger Hagelin machine Enigma machine Japanese army and diplomatic codes Japanese naval codes PURPLE JN-25 Cryptanalysis of the Enigma Biuro...
6 KB (624 words) - 11:48, 12 August 2024
antenna tower for Station HYPO, the naval cryptanalytic station that did so much toward breaking Japanese naval codes in 1941-1942 that resulted in US victory...
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description of the codes he and his cryptanalysts broke, Japanese codes in 1919 were weak and barely deserved to be called "codes". He might have exaggerated...
40 KB (6,155 words) - 05:56, 31 January 2024
Bletchley Park (redirect from National Codes Centre)
codes. Hut 6: Cryptanalysis of Army and Air Force Enigma Hut 7: Cryptanalysis of Japanese naval codes and intelligence. Hut 8: Cryptanalysis of Naval...
114 KB (11,568 words) - 09:08, 2 October 2024
decrypting the Japanese naval codes, exploiting the aforementioned Japanese neglect of fleet defense, technological upgrades to its air and naval forces, superior...
53 KB (6,807 words) - 21:45, 30 August 2024
OP-20-G (redirect from Naval Communications Annex)
on Japanese diplomatic codes, but the organization's primary focus was on Japanese military codes. The US Navy first got a handle on Japanese naval codes...
14 KB (1,685 words) - 08:01, 2 June 2024
The Ranks of the Imperial Japanese Navy were the rank insignia of the Imperial Japanese Navy, used from its creation in 1868, until its dissolution in...
24 KB (1,347 words) - 10:05, 1 September 2024
World War II (category Wars involving Japan)
32nd Army Groups. In early June, Japan put its operations into action, but the Americans had broken Japanese naval codes in late May and were fully aware...
249 KB (26,007 words) - 21:00, 5 October 2024
to as the Blue Book Blue Book, the American name for one of the Japanese naval codes during World War II Various information registers from U.S. state...
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USS Panay incident (category Articles with Japanese-language sources (ja))
broken Japanese Naval codes. Writer Nick Sparks believes that the chaos in Nanjing created an opportunity for renegade factions within the Japanese army...
21 KB (2,402 words) - 00:04, 29 August 2024
Computer Security Center Red Book, American name for one of the Japanese naval codes during World War II The Red Book, alternate name for the 8th edition...
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Magic (cryptography) (redirect from Magic Secret Code Operation)
have access to and use intelligence from Magic. Japanese army and diplomatic codes Japanese naval codes Ultra (cryptography) Lowman 2000, p. 39. Lowman...
37 KB (5,314 words) - 10:14, 6 May 2024
2020. O'Neal, Michael J. "World War II United States Breaking of Japanese Naval Codes". Encyclopedia.com. Retrieved September 27, 2020. "Pearl Harbor"...
21 KB (2,450 words) - 23:32, 13 June 2024
and then moved to the Pacific theatre where he worked on breaking Japanese naval codes. On his return to the United States he earned a B.Sc. in electrical...
30 KB (3,583 words) - 13:20, 17 September 2024
breaking of the German Enigma code and headed the section tasked with breaking Japanese Naval codes. Foss was born in Kobe, Japan, one of five children of...
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Japanese attack at Midway Atoll. The U.S. Navy, having broken the Japanese naval codes, proceeded as if this was just a diversion, and it did not expend...
42 KB (4,432 words) - 16:02, 30 September 2024
used by Japanese civil ships of the United States Naval Shipping Control Authority for Japanese Merchant Marines. Modified from the "E" signal code, the...
116 KB (10,509 words) - 21:25, 2 October 2024
section of the Government Code and Cypher School (GC&CS) at Bletchley Park tasked with the solution of Japanese naval codes such as JN4, JN11, JN40, and...
11 KB (1,366 words) - 19:52, 18 March 2024
Laurance Safford (category United States Naval Academy alumni)
tour from 1932 to 1936. Meanwhile, the effort that he headed broke Japanese naval codes, and began mechanizing its operations with the addition of IBM equipment...
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after the war such as the fact that the Americans had broken the Japanese naval codes (which came out in 1946) and the British deception operation of 1943...
76 KB (9,326 words) - 15:30, 18 September 2024
Aleutian Islands campaign (redirect from Japanese invasion of Alaska)
(290 km) west from Kiska. Because the Office of Naval Intelligence had broken the Japanese naval codes, Admiral Chester Nimitz learned by May 1942 of Yamamoto's...
40 KB (4,498 words) - 07:03, 30 September 2024
of October 1942 gave the United States overall responsibility for Japanese naval codes, although with continued British participation. The agreement specifically...
5 KB (494 words) - 21:09, 13 April 2023
Isoroku Yamamoto (category Japanese naval attachés)
that Japan's naval codes have been broken and that he must inform headquarters. In the 2001 film Pearl Harbor, Yamamoto was portrayed by Japanese-born...
63 KB (7,711 words) - 22:02, 16 September 2024
Operation Vengeance (category Imperial Japanese Navy)
that the mission could reveal that the United States had broken Japanese naval codes, the commanders decided the knowledge could be protected as long...
45 KB (5,292 words) - 16:15, 6 September 2024
Patrol torpedo boat PT-109 (category Naval battles of World War II involving Japan)
the Japanese garrison on Vila Plantation, on Kolombangara Island's southern tip. America's sophisticated deciphering of the Japanese naval codes had contributed...
67 KB (8,876 words) - 14:44, 24 August 2024
Imperial Japanese Navy General Staff Spector Asada, Sadao (2006). From Mahan to Pearl Harbor: The Imperial Japanese Navy and the United States. US Naval Institute...
14 KB (658 words) - 22:22, 24 August 2024