A new, independent review of the Orion spacecraft is pretty damning, Ars Technica
"Despite these concerns, NASA is pressing ahead with an effort to try and accelerate development of Orion to enable an August 2021 launch of Exploration Mission-2. Yet the GAO found this scenario improbable. "To stay on the aggressive internal schedule, the agency is counting on receiving higher appropriated funds than what it plans to request, which may not be realistic in a constrained budget environment," the report states. There is low confidence - 40 percent - in NASA making the 2021 launch date, and the GAO believes this may not be a "beneficial strategy" for Orion in the long term."
- Double GAO Reports: SLS and Orion Cost and Risk Estimates Are Still Unreliable, earlier post
- Earlier posts on SLS and Orion
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