And Control Data has a $13.7m five-year contract from the Aeronautical Systems Division of the US Air Force for a Central Datacomm System that will eventually put up to 1,500 users on-line to a complex of CDC, Cray, DEC and other machines installed at the Information Systems & Technology Center at Wright-Patterson Air Force Base in Ohio; Tolerant Systems gets a $3m subcontract for fault-tolerant Unix CPUs.