NASA engineers at Stennis Space Center near Bay St. Louis, Miss., achieved a major milestone May 1 as they prepare to test RS-25 rocket engines that will help power the new Space Launch System (SLS) on missions to deep space destinations.
NASA engineers at Stennis Space Center near Bay St. Louis, Miss., achieved a major milestone May 1 as they prepare to test RS-25 rocket engines that will help power the new Space Launch System (SLS) on missions to deep space destinations.