(SAGE) The computer system of the old US Norad air defence system. SAGE was ground-breaking in many ways, such as being one of the first very large software projects and the first real-time system. MIT Lincoln LaborATory developed SAGE and {MITRE CorporATion} was responsible for system engineering and implementATion oversight. , , . [Confirm? DATes? Connection with MIT Research LaborATory for Electronics?] (1999-12-16)