Boeing a livré les deux satellites SES-20 & 21 (modèle 702SP) qui seront prochainement lancés par une Atlas V 531.
Boeing Delivers Two Commercial Satellites to SES for ULA Launch
https://boeing.mediaroom.com/news-releases-statements?item=131127
Boeing Delivers Two Commercial Satellites to SES for ULA Launch
https://boeing.mediaroom.com/news-releases-statements?item=131127