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MONS & THE ENIGMA CODE

By Haynes W. Dugan
Written in 1978

 

Over the years I have wondered why, on August 31, 1944, the direction of our advance was changed from the Laon area - Charleville & Sedan - to make a right-angle change and head toward Mons. Of course, orders from VII Corps were enough, but why did they give the order?

I think I have found the answer on Page 905, Vol. II of "Bodyguard of Lies," by Anthony Cave Brown, published by Harper & Row in 1975. First off, the British had copied the German code machine known as Enigma and had for years been decoding their messages.

Secondly, General Troy Middleton's VIII Corps had surrounded the Germans at Brest about this time and the Germans attempted to parachute the latest code into the town, but it landed on the American side and taken to a Lt. Finkelstein of Middleton's G-2 staff and by him rushed up the line of command and to the decoding machine in England, revealing the route of the broken German army retreating from the Falaise Gap area. And that is why we made the sudden change in our advance and cut off the troops in the Mons pocket.

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