Before Pearl Harbor, US officials had a January 1941 rumour of a surprise attack on the base, decrypted Japanese requests for exact ship positions in the harbo…
Army codebreakers cracked Japan's top diplomatic cipher. The intelligence, called MAGIC, showed diplomacy, not war plans.
Ambassador Grew cabled a rumour of a surprise mass attack on Pearl Harbor. Naval intelligence dismissed it.
Its Honolulu spies were told to report warships by exact position in five areas of the harbor.
Yes, but the warning named the Philippines, Thailand and Borneo. Hawaii guarded against sabotage.
A destroyer sank a Japanese midget submarine. Its report was slowly checked, and no alarm sounded.
Opana's operators reported a huge formation. The duty officer thought it was B-17s from California.
21 ships sunk or damaged, 188 aircraft destroyed. Marshall's warning arrived seven hours late.
Fewer than a dozen survivors remain. The Arizona's 86 Unknowns will be exhumed for DNA identification.
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