....ViaSat-3 Americas satellite has completed its Final Integrated Satellite Test (FIST) and has now progressed to the Flight Final phase of integration where it is undergoing final build-up to its flight configuration.
FIST is designed to test all the satellite's payload and bus systems to confirm they function properly following the stresses of mechanical environmental testing, which simulated the launch of the spacecraft. The satellite had already successfully completed mechanical environmental testing and thermal vacuum testing that simulated vacuum and extreme hot and cold conditions of space where the satellite will operate during its expected 15-year lifetime. FIST provided confirmation that the satellite continued to perform as designed following the mechanical and thermal stresses of the prior test phases.
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"Completion of FIST is a significant milestone as we move towards spacecraft delivery and launch," said Ryan Reid, president of Boeing (NYSE: BA) Satellite Systems International. "We've validated the design and workmanship of the spacecraft after integration of our powerful 702 platform with Viasat's ultra-high throughput payload. These are some of the final steps as we prepare the spacecraft for delivery to launch."
https://www.prnewswire.com/news-releases/viasat-3-satellite-completes-final-integrated-satellite-test-301687577.html
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