Schaffel, Kenneth (1991). «Emerging Shield: The Air Force and the Evolution of Continental Air Defense 1945-1960»(45MB pdf). General Histories (Office of Air Force History). ISBN0-912799-60-9. Archivado desde el original el 13 de noviembre de 2005. Consultado el 26 de septiembre de 2011. «A SAGE component, a 64 x 64 [4K] magnetic core memory … SAGE direction center. This installation is located at Stewart Air Force Base in New York state. …[Hancock Field] combined direction-combat center was located at Syracuse, New York.» [captions of p. 198, 208, 265 photos] NOTE: Schaffel's history uses the same name as "The Emerging Shield: The Air Defense Ground Environment," Air University Quarterly Review 8, no. 2 (spring 1956).
dtic.mil
Del Papa, Dr. E. Michael; Warner, Mary P. A Historical Chronology of the Electronic Systems Division 1947-1986 (ESD-TR-88-276 (AD-A201 708)). Archivado desde el original el 4 de marzo de 2017. Consultado el 19 de julio de 2012. «Semi-Automatic Direction Center System, later known as…Semi-Automatic Ground Environment System, in essence, the Lincoln Transition System. … now [1987]».La referencia utiliza el parámetro obsoleto |mes= (ayuda)
«The SAGE Air Defense System». About | History. LL.MIT.edu. «fighter aircraft [send] raid assessment information back to the direction center to determine whether additional aircraft or missile intercepts were necessary.»
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Department of Defense 1959 "Master Air Defense Plan" (cited by Schaffel) — cf. June 1959 Missile Master Plan [1][2]
Del Papa, Dr. E. Michael; Warner, Mary P. A Historical Chronology of the Electronic Systems Division 1947-1986 (ESD-TR-88-276 (AD-A201 708)). Archivado desde el original el 4 de marzo de 2017. Consultado el 19 de julio de 2012. «Semi-Automatic Direction Center System, later known as…Semi-Automatic Ground Environment System, in essence, the Lincoln Transition System. … now [1987]».La referencia utiliza el parámetro obsoleto |mes= (ayuda)
Schaffel, Kenneth (1991). «Emerging Shield: The Air Force and the Evolution of Continental Air Defense 1945-1960»(45MB pdf). General Histories (Office of Air Force History). ISBN0-912799-60-9. Archivado desde el original el 13 de noviembre de 2005. Consultado el 26 de septiembre de 2011. «A SAGE component, a 64 x 64 [4K] magnetic core memory … SAGE direction center. This installation is located at Stewart Air Force Base in New York state. …[Hancock Field] combined direction-combat center was located at Syracuse, New York.» [captions of p. 198, 208, 265 photos] NOTE: Schaffel's history uses the same name as "The Emerging Shield: The Air Defense Ground Environment," Air University Quarterly Review 8, no. 2 (spring 1956).
