Barbara Streiffert on CAST 2014
summary
Jet Propulsion Laboratory builds one‑off spacecraft with unique instrument suites and command sets and develops software that checks commands and packages them for uplink. Testing covers command validation, mission-sequence packaging, and flight-software integration, with emphasis on end‑to‑end rehearsals and hardware-in-the-loop runs. The central claim is operational: testing proves to be three parts art and one part science, relying on human judgment as much as automated checks to catch surprising edge cases.
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