TheCodeBreakers
headquarters at Rocca di Papa, south of Rome; the original intercepts
were then forwarded to headquarters for more comprehensive evaluation.
Fernmeldeaufklarung 7 distributed radio intelligence of tactical
importance to the lower commands by broadcasting it in a special cipher.
While much of this intelligence came from conversations or radio
messages in plaintext or from traffic analysis, much also came from
cryptanalysis.
German Army cryptanalysts solved American M-209
DUEL IN 1MB tlHKK: 1 LS-j
messages almost from the days late in 1942 when the two armies first
clashed in North Africa. They picked up such tidbits of information as
that the 72nd, 45th, and 29th Light and the 71st Heavy Anti-Aircraft
Regiments were placed under the 52nd Anti-Aircraft Brigade, which is
part of the order-of-battle intelligence basic to a field commander, that on
April 1, 1943, the 3rd Infantry Regiment was located at grid square
annaabi.ee 
