The company that handles all the US’s national security satellite launches has outlined audacious plans to end its reliance on Russian rocket engines within four years and slash the cost of launches by at least half.
承接美國所有國家安全衛星發射業務的聯合發射聯盟(United Launch Alliance,簡稱ULA),提出了十分大膽的計劃,打算在4年內結束對俄羅斯火箭發動機的依賴,并將發射成本大幅削減至少一半。
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