(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-timeSyStem. 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)