The story of RYAN and Able Archer is an oft-told lesson of a U.S. intelligence failure, miscalculation, and two superpowers unaware they were on the brink of an accidental nuclear war — all because the Soviet Union relied on a software program to make predictions that were based on false assumptions.

As more of our weapons systems and analytical and predictive systems become enabled by AI and Machine Learning, the lessons of RYAN and Able Archer is a cautionary tale for the DoD.