Northrop Grumman, mumwe wehofori dzemauto eUS, akabudirira kuyedza mota yemagetsi ine simba kwazvo yeUS Navy, yekutanga pasi rose 36.5-megawatt (49,000-hp) yepamusoro-temperature superconductor (HTS) ship propulsion electric mota, nekukurumidza zvakapetwa kaviri se ratidzo yesimba reUS Navy ...
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