Upper-stage issues: 4 in 19 months When will SpaceX's Falcon 9 return to flight?(space.com)
space.com
Upper-stage issues: 4 in 19 months When will SpaceX's Falcon 9 return to flight?
https://www.space.com/space-exploration/launches-spacecraft/4-upper-stage-issues-in-19-months-when-will-spacexs-falcon-9-rocket-return-to-flight
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Actual headline: 4 upper-stage issues in 19 months: When will SpaceX's Falcon 9 rocket return to flight?