NASA SLS computer development branching to support first flight, future upgrades

Integrated testing of the vehicle’s computers for overall certification follows earlier rounds of element and subsystem computer testing all the way down to the individual avionics boxes. “There’s kind of two steps to it,” Mitchell explained. “Each avionics box has its own specifications that it has to meet: electrical specifications, functional specifications, and environmental specifications. More

(Source: NASASpaceFlight.com - Feb 14)