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The effects of the atomic bomb on Hiroshima, Japan, 1947
U.S. Strategic Bombing Survey secret Pacific Theatre report number 92, with added relevant declassified research on nuclear weapons testing effects and scientific research on civil defense against other threats.
Discussion: www.glasstone.blogspot.com
The Effects of the Atomic Bomb on Hiroshima, Japan, secret, unpublished three-volume May 1947 report
The 14 October to 26 November 1945 U.S. Strategic Bombing Survey of Hiroshima is the key compendium of data, with much more data than any nuclear test report from the 1950s.
A 1946 British Mission to Japan report includes photographs of air raid shelters which survived near ground zero in Hiroshima and Nagasaki, but gives the survival data of 15,000 school children (in teams clearing firebreaks mainly outdoors), without stating the survival rates inside modern buildings.
This is also done in Manhattan District report on Hiroshima and Nagasaki, and in the 1950-77 editions of The Effects of Atomic Weapons and The Effects of Nuclear Weapons where no breakdown of survival data in different kinds of buildings and in the open is provided.
In particular, the cause of the Hiroshima firestorm was determined by the U.S. Strategic Bombing Survey in its secret May 1947 report, but this was omitted from publications such as its unclassified report and the book, The Effects of Atomic Weapons.
Beginning with an incendiary raid on Tokyo on 9 March 1945 which Japanese records showed killed 83,793 and burned out 267,000 buildings (25% of Tokyo’s buildings), sixty-four Japanese cities were destroyed by non-nuclear air raids.
The detailed and objective analysis of these incendiary air raids was classified “Restricted” in April 1947 by the U.S. Strategic Bombing Survey in its unpublished limited distribution typeset and printed report Number 90, Effects of Incendiary Bomb Attacks on Japan; Part 3 (pages 65-118) documents the effects of the 9 March 1945 Tokyo incendiary raid, with photos on pages 104-109 very similar to the damage in Hiroshima and Nagasaki (combustible light frame buildings burned out with their steel distorted by the fires, and piles of charred bodies in streets). By omitting to publish this, an objective comparison of nuclear with conventional attacks was prevented.
The Effects of the Atomic Bomb on Hiroshima, Japan, USSBS report 92, volume 2 (typeset May 1947 edition, secret)
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