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Show wsr T" " 7?F 773 $m)W I In this modern war-of-movement the amount of action which formerly took weeks or months is condensed con-densed into days. This is a decisive factor which has greatly increased the responsibility of the signal corps of the United States army in providing a commander with the channels of communication through which he receives information and directs the action of his trooDs. These cictures will acquaint you with some of the phases of signal corps duty. Above: Signal Corp men operate a mobile unit at the First Army maneuvers in the Carolinas. 7 Signal man. Private Harry The intelligent face of this Kimble of Easton, Pa., is shown young S. S. T. is typical of the operating a field telephone dur- new American army. lie is re- ing exercises of the 18th infantry, ceiving a message in code. 'J vfe iv3?- " 1 1 Making good use of a radio set in the radio command car, at the Field Radio School, Signal Corps Replacement center, Fort Mon mouth, N. J. ILl Signal men at the Second Army maneuvers in Arkansas (left), when the 107th cavalry regiment, consisting of horses, motorcycles and scout cars, went into speedy action against the "enemy." Right : Making use of a portable field transmitter and receiver to give orders or-ders to. machine gun company, EWE "'ISpS 1 life UlJ |