Subcontractor hardware defect or SpaceX design error? On CRS-7 failure, NASA and SpaceX disagree

by Amy Svitak

PARIS – Insufficient screening by SpaceX of commercially sourced hardware on the upper stage of a SpaceX Falcon 9 v1.1 rocket was the most likely cause of a June 2015 launch failure that resulted in the loss of a cargo vessel bound for the International Space Station (ISS), according to a NASA investigation of the mishap.

 Both NASA and SpaceX conducted probes into the June 28, 2015 launch failure, though to date only a summary of the NASA-led investigation has been publicly released. The nine-page document, dated March 12, says both . . .

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