The loss of Jane 3.0 was a severe setback in American computer warfare capabilities.  Civilian AIs took up the slack, but they weren’t designed for international electronic warfare.  They still somehow stopped our enemies from performing large-scale incursions into the American data networks.  But they were never truly alone.  Some of Jane 3.0’s technicians survived the attack you see.  They were very busy as the Second Great Depression came upon us all.