Isoroku Yamamoto: Difference between revisions

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'''Isoroku Yamamoto''' (1884-1943) was an [[admiral]] of the [[Imperial Japanese Navy]], whose final assignment was [[Commander-in-Chief, Combined Fleet]].
'''Isoroku Yamamoto''' (1884-1943) was an admiral of the [[Imperial Japanese Navy]], whose final assignment was [[Commander-in-Chief, Combined Fleet]].
==Early career==
==Early career==
Graduating from the Naval Academy in 1904, he was an ensign during the [[Russo-Japanese War]]. During the [[Battle of Tsushima Strait]], he lost two fingers to an explosion.  In 1913, he was assigned to the Staff College, indicating he was slated for high rank.
Graduating from the Naval Academy in 1904, he was an ensign during the [[Russo-Japanese War]]. During the [[Battle of Tsushima Strait]], he lost two fingers to an explosion.  In 1913, he was assigned to the Staff College, indicating he was slated for high rank.

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Isoroku Yamamoto (1884-1943) was an admiral of the Imperial Japanese Navy, whose final assignment was Commander-in-Chief, Combined Fleet.

Early career

Graduating from the Naval Academy in 1904, he was an ensign during the Russo-Japanese War. During the Battle of Tsushima Strait, he lost two fingers to an explosion. In 1913, he was assigned to the Staff College, indicating he was slated for high rank.

Contact with the West

He was a student at Harvard University between 1919 and 1921. He then taught at the Staff College, and then to the air training center.

In 1926, he went to Washington, DC as the Naval Attache. Returning to Japan in 1928, he was promoted to Rear Admiral, in the Naval Affairs Bureau, and was a delegate to the 1930 London Naval Conference.

Navy Ministry

From 1933 to 1936, he headed Japanese naval aviation. In 1936, he was named Vice Minister of the Navy Ministry.

As Vice-Minister, he supported the development of airpower and a halt to building new battleships. At the policy level, he was against the invasion of Manchuria and an alliance with Germany. He apologized personally to the U.S. Ambassador to Japan, in 1937, when the USS Panay was bombed.

Combined Fleet

{{quotation|If I am told to fight regardless of the consequences, I shall run wild considerably for the first six months or a year, but I have utterly no confidence for the second and third years. . . . Now that the situation has come to this pass [the Tripartite Pact] I hope you will endeavor for avoidance of an American-Japanese war.|Yamamoto to Prime Minister Prince Konoye, October 1940[1]

Ironically, the U.S. perceived him as the prime mover for the Battle of Pearl Harbor. Admiral William Halsey believed he had said he "looked forward to dictating peace in the White House at Washington". While Halsey accepted later this was probably not true, but, at the time he approved of shooting down Yamamoto's aircraft, he was "No. 3 on my private list of public enemies, closely trailing Hirohito and Tojo."[2]

When he received orders to fight, he did insist on that attack as a means of temporarily disabling the U.S. fleet, but he actually opposed war with the U.S. As opposed to most senior Japanese leaders, he had spent significant time in the U.S. and was very aware of its industrial capacity.

Early offensives

Response to Doolitle Raid

Battle of Midway

Death

On April 13, 1943, American communications intelligence intercepted messages, in a relatively low-level cryptosystem, giving an itinerary for a field inspection tour by Yamamoto. Points along his route were within the range of U.S. fighters, who could shoot him down.

The concern was not especially with the idea that this would be an inappropriate assassination. If the interception was successful, it would be a meeting of military warplanes from both sides, and shooting down a senior commander, in uniform, while in a combat theater. [3] One concern was that the Japanese might realize that the U.S. had broken their secure communications, which would cause them to change systems and risk a major source of intelligence. Another would be Yamamoto's successor -- might a more able admiral replace him? [4] Edwin Layton, the Pacific Command intelligence officer, presented the risks and benefits to Nimitz. Layton, who personally knew Yamamoto, wrote that he said there was "only one Yamamoto."[5] Layton also wrote "it was impossible for me not to feel for Admiral Yamamoto with a certain sense of fondness." Nevertheless, Layton considered that, if Japan lost an immensely admired commander as well as their best strategist, the effect would be equivalent to a major fleet victory. [4] Layton believed that the U.S. could leak a report that Yamamoto's tour had been reported by Australian coastwatchers, and probably make the Japanese, who were generally overconfident about their communications security,[4] believe their cryptosystem was secure. No operations were planned in the short term, so U.S. forces would have time to attack a new cryptosystem if the Japanese did change. Nimitz, after clearing the decision with the Secretary of the Navy and the President, authorized the mission.

On April 18, Yamamoto died when a force of 18 U.S. Army Air Force P-38 Lightning fighters intercepted and shot down the two bombers carrying staff officers, which were escorted by six Japanese fighters.

There was only one Yamamoto, and no one is able to replace him His loss is an unsupportable blow to us — Adm. Mineichi Koga, Yamamoto's successor

.

References

  1. Frederick D. Parker (2001), A Priceless Advantage: U.S. Navy Communications Intelligence and the Battles of Coral Sea, Midway, and the Aleutians, National Security Agency, p.1
  2. William F. Halsey and J. Bryan III (1947), Admiral Halsey's Story, McGraw-Hill, p. 155
  3. Grant, Rebecca (March 2006), "Magic and Lightning", Air Force Magazine 89 (3)
  4. Jump up to: 4.0 4.1 4.2 David Kahn (1996). The Codebreakers - The Story of Secret Writing. Scribners. ISBN 0684831309. 
  5. Layton, Edwin T.; Roger Pineau & John Costello (1985), And I Was There, William Morris