TheCodeBreakers
month. Then he was arrested as a co-conspirator, his personnel file
crossed out with a giant X, and the entry made under his
name, "stricken from the honor roll of the German Army and the
Wehrmacht!" Fellgiebel had been executed on August 10; Thiele soon
followed. Lieutenant General Albert Praun took Thiele's place in both
offices and retained them to the end of the war.
The oldest, most experienced, and closest to O.K.W. of the other
cryptanalytic agencies was the Army's Heeres-nachrichtenwesens ("Army
Communications System"), or H.N.W. The Chef, H.N.W., served on the
Army general staff. Like the U.S. Army's Signal Corps during World •War
II, it had both communications and intercept-cryptanalysis duties; like
the Signal Corps, it turned over its solutions to Army intelligence for
evaluation and use.
Under Chi's watchful eye, it issued cryptosystems for the troops. For
high-level communications, from the O.K.H. down to regiments, the Army
used the glowlamp Enigma cipher machine
annaabi.ee 
