TheCodeBreakers
The Navy picked these up
with operators trained in Japanese Morse and recorded them on a
special typewriter that it had developed for the roman-letter equivalents
of the kana characters. The Army's stations, called Monitor Posts, were:
No. 1, Fort Hancock, New Jersey; No. 2, San Francisco; No. 3, Fort Sam
Houston, San Antonio; No. 4, Panama; No. 5, Fort Shafter, Honolulu; No.
6, Fort Mills, Manila; No. 7, Fort Hunt, Virginia; No. 9, Rio de Janeiro.
At first both services airmailed messages from their intercept posts to
Washington. But this proved too slow. The Pan-American Clipper, which
carried Army intercepts from Hawaii to the mainland, departed only once
a week on the average, and weather sometimes caused cancellations,
forcing messages to be sent by ship. As late as the week before Pearl
Harbor, two Army intercepts from Rio did not reach Washington for
eleven days. Such delays compelled the Navy to install teletypewriter
annaabi.ee 
