A German Enigma machine

                        ULTRA INTERCEPTS

  The fact that the British were able to decipher codes produced by the German
  Enigma machine was one of the most closely guarded secrets of WW II.

  ULTRA was the name used by the British for intelligence resulting from decrypts
  of German communications in World War II.

  Below are four ULTRA intercepts of communications between U-boats and
  U-boat Command concerning the sinking of the Jacksonville  (courtesy of
  Dr. Theron Snell).

 "Matuschka" (Kapitänleutnant Graf von Hartmut Matuschka) is the   
  commander of U-482, the U-boat that sank the Jacksonville.

 
 

1859/30/189 30 August 1944  154 Series 1

Continued from 1744/30 ((To:Reckhoff) (U-398))

#6 "Matuschka (482) is south of the Barrage"

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1948/30/191 30 August 1944

"According to B report, tanker was torpedoed at 1555B in AM 5623 (55-27N; 07-35W)"

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0312/11/28 11 September 1944

From: Matuschka

"Position AM 2911 (57.35N;12.00 W) Return cruise. Sunk the following: On 1/9 in AM 5612 DD from search group. From inbound convoys: On 30/8 in AM 5397 (55-33N;07_5...W) tanker of 7000 tons;On 8/9 in AM 5387 (55-33N; 07-5...W) freighter of 5,030 tons; tanker of 6,000 tons. T-5 SS shot on freighter of 5000 tons. Detonation after 2 minutes, 47 seconds /95 CBM Situation follows: 53-30N; 11:00W"

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053/11/198  11 September 1944

From: COMSUBS

To: Matuschka (482)

"Hurrah for such an excellent achievement. I award you the Iron Cross First Class."

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