A US federally funded R&D center, spun off in 1958 from the MIT Lincoln LaborATory (also an FFRDC). MITRE is a non-profit corporATion chartered to do R&D in the public interest. MITRE were responsible for system engineering and implementATion oversight of SAGE. MITRE does not stand for MIT Research and Engineering, though it could have. Start . (1999-12-16)