 He was not restored to his role as chief signal officer until after the war.The "father" of the U.S. Army Signal Corps was Major Albert J. Myer, an Army surgeon with an interest in communications by sign language for the deaf and then in signaling over long distances with lightweight and simple to use equipment.He invented a signaling system using a flag (or a kerosene torch for nighttime use) that is known as wig-wag signaling, or aerial telegraphy.