TheCodeBreakers
importance as well.
The Germans granted the Japanese ambassador, Baron Hiroshi
Oshima, the intimacies of an ally, and, as a former
military attache, he took considerable interest in the military sphere.
Toward the end of October, 1943, when it became evident that the Allies
would invade Europe and the Wehrmacht had begun to stiffen its
defenses, Oshima toured the Westwall and the Siegfried Line. He
reported on these preparations in great detail in a long radiogram of
between 1,000 and 2,000 words.
As a powerful German station pumped it into the ether for the 5,000-
mile leap to Tokyo, a new American intercept post at Asmara, in the
former Italian colony of Eritrea bordering the Red Sea, picked it up. Back
the cryptogram went to the Signal Security Agency. It proved to be in
PURPLE, which the American cryptanalysts read with relative ease. The
solution went to General Dwight D. Eisenhower's headquarters, where its