TheCodeBreakers
It was attached to the main
headquarters of the Funkaufklarungsdienst.
Other cryptanalysts served in outlying Funkaufklarungsdienst units,
solving messages in systems whose basic solution had been worked out
at headquarters. They had reportedly tried to use women in teams for
solving a widely used Allied air-ground system, called SYKO, but switched
to male students when the women did not produce satisfactory results.
They tested the youths by crossword puzzles
JJUJiL IN THE hi 1 HER: 1 241
and sent the 10 per cent doing the best to a training school for about
a month. Here they were trained in SYKO cryptanalysis and nothing else.
As an incentive, the Nazis told the trainees that the lower 90 per cent of
the class would be shipped off to the Russian front.
It was probably not SYKO that enciphered the message that gave the
Funkaufklarungsdienst one of its greatest triumphs, since the message
annaabi.ee 
