TheCodeBreakers
AGXFD XGAGX GAVGX AGXVF VXXAG XFDAX GDAAF DGGAF
FXGGX XDFAX GXAXV AGXGG DFAGD GXVAX XFXGV FFGGA
XDGAX ADVGG A
Direction-finders reported that it had been transmitted by the German
High Command. The addressee, Die, was known from traffic analysis and
direction-finding to be the 18th Army's general staff in Remaugies—a
town situated just above the concavity in the German lines. Its plaintext
read: Munitionierung beschleunigen Punkt Soweit nicut [error for nichf
eingesehen auch bei Tag ("Rush munitions Stop Even by day if not seen").
Guitard and the intelligence officers recognized at once that the
ammunition mentioned in the telegram was that intended for the usual
German pre-assault bombardment, and the location of the addressee of
the message told them where that attack would come. Jubilantly they
communicated their information to the operations officers: Ludendorff
annaabi.ee 
