(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)