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Naval Intelligence had reported an absence of radio signals to CINCPAC. This phenomenon called radio silence was not unique, had happened in numerous scenarios and was not an essential precursor to an aggresive move. Traffic analysis is just one element of the signals intelligence puzzle.

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16y ago
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13y ago

Japanese military were planning a surprise attack. That's why nobody knowed about the attack.

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12y ago

Gen. Douglas MacArthur, commander of U.S. forces in the Philippines

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11y ago

They were expecting it to be bluffing

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Q: Why were US ships unaware of the Pearl Harbor attack?
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Related questions

What Did the US use to attack Japan after the attack at Pearl Harbor?

they sunk are ships and we attacked them


Naval ships in Pearl Harbor at time of attack?

reacted haushly


How many ship were in pearl harbor before the attack?

There was 90 ships docked in Pearl Harbor. Three ships sank, while four more took damage.


Where were some of America's ships at pearl harbor when the attack happened?

That was home port.


Did Japan attack Malaya first or Pearl Harbor in 1941?

Although, technically the Malayan campaign may have occurred a day after Pearl Harbor; the invasion forces (Ships, Planes, tanks, troops, etc.) were in position to launch the attack at the same time as the Pearl Harbor attack took place.


What did the submarines do after the attack on pearl harbor?

IJN & USN subs went looking for ships to sink.


Who was all in on the attack on Pearl Harbor?

Japanese pilots from the Zuikaku and Shōkaku aircraft carriers are the pilots who bombed Pearl Harbor. There were also six mini submarines that were sent to attack the ships but they were not very successful.


What was Pearl Harbor incident?

"Compromise" suggests that there was a negotiation of some sort and the attack on Pearl Harbor was a middle ground. No such thing happened. The 'conflict' was between the Japanese planes and the gun crews on the ships and harbor defenses.


How many lives did the midget sub claim at Pearl Harbor?

The midget subs the Japanese launced to attack Pearl Harbor sank no ships and of their crews there was only one survivor and he was captured.


How did Pearl Harbor attack Japan?

You have some serious reading to do. Pearl Harbor did not attack Japan. The US Naval Base at Pearl Harbor HI was attacked by the Japanese on Dec 7, 1941. The American ships were tied up at their morring points in the harbor, and there had been no declaration of war. This was an unprovoked attack by Japan on the United States.


Where exactly did Pearl Harbor take place?

Pearl Harbor is in Hawaii, which at the time was a US Territory. The Navy base at Pearl is still there. The main attack was against the ships and airfields on the island and several specific locations where attacked.


What is the significance of the Pearl Harbor Day?

Pearl Harbor Day is a remembrance day for the Pearl Harbor bombing on December 7, 1941. The Japanese bombed Pearl Harbor, Hawaii during World War II, destroying many of the US Military's ships and killing over 1,000 people in the attack.