Chiefs of Signal
Major General Earle F. Cook
1962 - 1963
MG Earle F. Cook, the nineteenth Chief Signal Officer, witnessed the evolution of Signal Corps technology from the wire and AM radio technology of the 1930s, to the satellite era of the 1950s and 1960s. His career in the Corps included intelligence, research and development, Army communications, electronic equipment and systems, meteorological devices, and finally activities involving the direction of Signal Corps efforts in space age developments.
After World War II assignments that included Director of Signal Intelligence Division, European Theater of Operations and Chief of the Army Security Agency, Europe, Cook served as Assistant Signal Officer of the Fourth Army, Headquarters, U.S. Army Pacific. From July 1950 to May 1951, he was Signal Officer of the Marshall Islands. He later took part in the atomic tests conducted by Joint Task Force Number Three.
As Commanding Officer of the White Sands Signal Corps Agency from 1952 to 1954, Cook began an early association with missile electronics work. When the Army's Electronic Proving Ground was activated at Fort Huachuca, Cook was deputy commander while many of the new communication‑electronic and surveillance equipment were undergoing tests and evaluations.
Cook's jobs at the Department of Army level included command in 1955, of the U.S. Army Signal Research and Development Laboratory. It was during this time that he became a brigadier general. As Chief of the Research and Development Division, Office of the Chief Signal Officer, Cook directed Signal responsibilities in Project SCORE, the "talking satellite" developed by the Signal Corps for the Advanced Research Projects Agency of the Department of Defense.
On 1 July 1962, General Cook became the Chief Signal Officer of the United States Army. After his retirement in 1963, Cook joined the staff of Radio Engineering Laboratories as Director, Technical Operations, Eastern Area.