12K views · 173 reactions | In the late 1950s, IBM and General Motors...

1.6K views · 33 reactions | Step back in time with David as he unveils the story of the IBM/USAF SAGE computer system – a continental air defense system that formed an electronic ‘shield’ across North America by computerizing air defense, even directing American interceptor aircraft to their targets in real-time. #SAGE #ComputerHistoryMuseum | Computer History Museum | Facebook