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NASA's Space Launch System (SLS) Program recently completed its preliminary design review, commonly referred to as PDR.
NASA has achieved a major milestone in its effort to build the nation's next heavy-lift launch vehicle by successfully completing the Space Launch System (SLS) preliminary design review.
NASA has tested 3D printed rocket parts, showing that the future is bright for the less-expensive methodology.
NASA reports it has successfully tested the first-ever 3D printed rocket component, demonstrating a technology that could eventually lead to more efficient manufacturing of rocket engines.
- The governor of a province or people.