Hacker News new | ask | show | jobs
by PaulHoule 1612 days ago
The shuttle started with an AP-101C that used core memory that was replaced midstream with an AP-101S based on semiconductor memory that was 3x faster. (Reference based on a link to a paper on a NASA web site with a busted SSL certificate.)

System/4π derivatives were used for the target discriminating radar on the F-15 and quite a few other military applications.