Table of Contents
Was Japan going to nuke the US?
The United States detonated two nuclear weapons over the Japanese cities of Hiroshima and Nagasaki on 6 and 9 August 1945, respectively….Atomic bombings of Hiroshima and Nagasaki.
| Date | 6 August and 9 August 1945 |
|---|---|
| Location | Hiroshima and Nagasaki, Japan |
| Result | Allied victory |
Was Japan going to surrender before the nukes?
Transcript: Nuclear weapons shocked Japan into surrendering at the end of World War II—except they didn’t. Japan surrendered because the Soviet Union entered the war. Japanese leaders said the bomb forced them to surrender because it was less embarrassing to say they had been defeated by a miracle weapon.
Did the US know about radiation?
A careful study of pre-Hiroshima knowledge of radiation effects in the United States makes it clear that most of the immediate and long term biological effects of radiation on the victims of the bomb were, in fact, predictable at the time of the A-bomb decision.
How did Japan react to the US Code Breakers?
From the intercepts of Japanese communications that were picked up by U.S. code breakers, it was obvious that Japan was disinclined to tone down its harsh rhetoric regarding a possible war with either the United States or Great Britain.
Why did the Japanese use Purple machines in WW2?
The Japanese used what they called a “Purple” machine to encode top-secret intelligence sent to their embassies around the world. The code word for American intercepts of Japanese diplomatic and military messages coming into the United States was “Magic.”
What was the code word for American intercepts of Japanese messages?
The code word for American intercepts of Japanese diplomatic and military messages coming into the United States was “Magic.” The United States designated all the information collected from Purple as “Magic”—the highest-classified intelligence collected by the United States during the war.
Who was involved in the US military’s cryptographic work?
Another U.S. military organization doing cryptographic work that involved both Magic and the Winds communication was the Navy’s code-breaking group called OP-20G, led by Commander Laurance Safford. The Magic information collected by the Navy was sent to various top military and civilian leaders in the American government.