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GAO Finds SLS With Little Room For Error Due To Core Stage

GAO Finds SLS With Little Room For Error Due To Core Stage
NASA and Orbital ATK performed their second SLS qualification motor test firing on June 28, 2016. Photo: Orbital ATK.

The core stage development schedule for NASA’s Space Launch System (SLS) remains aggressive and any additional delays will threaten the program’s internal goal of launch readiness by September 2018, according to the Government Accountability Office (GAO).GAO, in a report (GAO-16-612) released Wednesday, said the core stage development effort had approximately 50 days of schedule margin, or time within the schedule where activities can be delayed before affecting a key milestone. It said this key milestone is core stage delivery to…

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