12-6-2010 Pacific War Continued

12-6-2010 Pacific War Continued - 12-6-2010Pacific War...

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Unformatted text preview: 12-6-2010Pacific War ContinuedInvasion of Iwo JimaInvasion of OkinawaHeavy kamikaze attacks off OkinawaHiroshima and Nagasaki bombing (6 & 9 August)VJ Day (15 August)Raids begun in 1944Left some cities aside so we could have control so we could evaluate how effective A Bombs were left from getting conventional bombingsTrying to see where streets and cities had been were the safes and banks had been to see individual citiesPeople died in such vast numbers that rivers overflowed from damns of corpsesBodies clogged under dams and under bridgesoKilling more than 100,000 in March??? Bombing of TokyoOkinawao7000 KIA plus 5000 USN 36 ships and 763 aircraft lost total greater than 12000 KIA on OkinawaClose Air Support was used on OkinawaNacy had a lot of casualties due to the continued kamikazes that hit shipsoFewer than 1 in 20 hit targets but Japanese kept hitting them with greater numbersoWe underestimated the resources left they employed as kamikazesManhattan ProjectoBegan as result from Einsteins letter in 1939 that German research was possibly leading them towards nuclear studies fission could result in bomb and explosiveoWarning FDRoCost = $1.8 2 billion dollars ($20 billion in 1995 dollars)oDr. Robert Oppenheimer and General Leslie Grove were the two head honchos in project two had love-hate relationship and came at it through different perspectivesBuilding BomboTryin gto get uranium 235 isotope that didnt occur naturally had problems so ended up going with man-made element of plutonium Had two designs uranium idea and plutonium developmentoNext problem was how to get critical mass is controlled environmentoGadget, little man, fat boy (2 plutonium and one in uranium)oGadgetTrinity test in Alamogordo, New Mexico on 16th July 1945Close to 13 thousand tons of TNToLittle BoyDropped on HiroshimaTriggered a nuclear explosion by firing a plug of Uranium 235 nto a round doughnut of the same materialToo big under a B29 so had to have a pit for the bomb bring plane over it and crank bomb into airplane8:15 a.m. drops bomb and does turn to get away from the bomb and breaks away to get as far away as possible350,000 people in Hiroshima bomb detonates 1000 feet above ground90,000 die in matter of a couple days or on impact/detonation...
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12-6-2010 Pacific War Continued - 12-6-2010Pacific War...

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