MAJOR GENERAL IRVING J. CARR
Irving J. Carr, the Signal Corps' 10th Chief Signal Officer, served in that capacity from 1931 to 1934. After graduating from the Pennsylvania Military College in 1897 with a degree in civil engineering, Carr began his Army career in the infantry. He participated in five battles and engagements in the Philippine Insurrection in 1899.
Carr's affiliation with the Signal Corps began with his graduation from the Army Signal School in 1908. He went on to participate in the Vera Cruz expedition in Mexico in 1914 and in France and Germany in World War I. In Europe his duties included serving as Chief Signal Officer of the IV Corps and Third Army. He participated in the Aisne-Marne and St. Mihiel offensives and in the Somme-Dieu defensive with the 2d Division.
During the 1920s Carr graduated from the General Staff School, Army War College, and Army Industrial College, staying on at the latter as both Assistant Director and Director. After his appointment as Chief Signal Officer, Carr presided over a relatively small Signal Corps of approximately 270 officers and 2,500 enlisted men.
In spite of Depression Era budgets, the Corps was instrumental in the
development of communications technology including the teletypewriter, FM
radio, and walkie talkie. In addition, the Corps provided the Army with the
most comprehensive radio net in the world. Message traffic averaged almost
82 million messages per year from 1931 to 1934.
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