Effects on U-Boat Performance of Intelligence from Decryption of Allied Communication

Examination of the War Diary of the German ComSubs has made it possible to estimate the character and extent of intelligence obtained by the decryption of Allied radio messages pertaining to convoy operations in the North Atlantic during World War II, and to determine the effect of such intelligence...

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Bibliographic Details
Main Author: Behrens,Carl E.
Other Authors: CENTER FOR NAVAL ANALYSES ARLINGTON VA OPERATIONS EVALUATION GROUP
Format: Text
Language:English
Published: 1954
Subjects:
Undersea and Antisubmarine Warfare
*ELECTRONIC INTELLIGENCE
*SUBMARINES
*UNDERSEA WARFARE
*NAVAL INTELLIGENCE
OCEAN SURVEILLANCE
TACTICAL INTELLIGENCE
NORTH ATLANTIC OCEAN
RADIO DIRECTION FINDERS
DECODING
ENEMY
World War 2
U boats
Convoys
North Atlantic
Online Access:http://www.dtic.mil/docs/citations/AD0784966
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0784966
Description
Summary:Examination of the War Diary of the German ComSubs has made it possible to estimate the character and extent of intelligence obtained by the decryption of Allied radio messages pertaining to convoy operations in the North Atlantic during World War II, and to determine the effect of such intelligence on the capability of the U-Boats to contact convoys and sink ships. It is estimated that the availability of timely usable decryption intelligence increased the contact rate twofold over that which they would have obtained without it; probably over 60 sinkings in excess of the expected number if they had been deprived of decryption intelligence. These calculations help in estimating a valid measure of the effectiveness of current and future submarines in anti-convoy operations when decryption intelligence is not available. (Author)

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