SAGE was a late 1950's-60's computerized air defense system: https://en.m.wikipedia.org/wiki/Semi-Automatic_Ground_Environment https://en.m.wikipedia.org/wiki/

SAGE was a late 1950's-60's computerized air defense system: https://en.m.wikipedia.org/wiki/Semi-Automatic_Ground_Environment https://en.m.wikipedia.org/wiki/Semi-Automatic_Ground_Enviro... There used to be some SAGE equipment at the Computer History Museum in Mountain View. I don't know if it's still there or not, but it was definitely interesting to see. The "light gun" user interface and the control consoles have a really pleasing aesthetic.