Date of Award

Fall 1993

Document Type

Thesis

Degree Name

Master of Arts (MA)

Department

History

Committee Director

Carl Boyd

Committee Member

Patrick Rollins

Call Number for Print

Special Collections LD4331.H47W38

Abstract

During the Second World War the United States conducted a highly effective undersea war against Japan which relied on signal intelligence to direct the submarine force. Although submarines were naval assets, the sophisticated signal intelligence operation supporting them was composed of both army and navy organizations that considered a wide variety of factors in directing submarines against enemy economic and military power. While signal intelligence was used to direct submarines against targets of opportunity, the primary advantage of signal intelligence lay in the ability to provide a long-term strategic picture of the enemy. Through inter-service coordination, signal intelligence allowed for the detection and tracking of merchant convoys, analysis of the effects of the submarine campaign, the discovery of strategic enemy ports, and timely battle damage assessment. These elements insured the effective direction of the most devastating submarine campaign in history.

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DOI

10.25777/sjmv-ms67

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