Sage Building - Duluth MN - Abandoned Air Force Radar Sites on Waymarking.com

The heart of the U.S. air defense during the cold war was the SAGE system. The Sage Building on Duluth AFB MN housed the IBM Q7 computer that processed the data fed to them by radar sites. The Q7 was a vacuum tube computer. To learn more about sage see (visit link)

"What SAGE Was

SAGE (Semi-Automatic Ground Environment) was the military response to the perceived Cold War threat that came into being almost immediately after WWII. The concern was for the Air Defense of North America. SAGE was the technical answer to the need to convert raw radar data to digital form and display it in real-time. This enabled SAGE operators to detect and and direct the intercept of any unknown aircraft penetrating the air space of the North American Continent. The Air Defense Command of the United States Air Force had the command authority to operate and maintain the SAGE system.

The Massachusetts Institute of Technology's (MIT) Lincoln Lab was responsible for the design and manufacture of the AN/FSQ-7/8 computer system. The MITRE Corporation was responsible for the design and implementation of the software. SAGE was perhaps the start of the military-industrial complex that exists to this day. The origin of much of the computer technology existing today had its beginning in SAGE.

The revolution of the technology industry that began in WWII was largely influenced by three massive government projects - the Manhattan Project, SAGE and the Apollo Program."

Source: www.thesagesite.org

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