Tolerant Systems Inc, San Jose, California, has signed the first phase of a $7m three-year agreement with E-Systems Inc’s ECI Division in St Petersburg, Florida, to supply its Eternity fault tolerant supermicros for the new US Air Force Survivable Communications Integration System: E-Systems will develop and implement the system under a $26.9m contract awarded in August 1986 after a competitive procurement; options are valued at an additional $40.7m and the system will be part of the national Attack Warning and Attack Assessment System, interconnecting ballistic missile sensor sites and command centers using survivable controllers, with the Eternity machines supporting these links and controllers using the machine’s fault tolerant message-handling capability.